3340656 has 160 divisors (see below), whose sum is σ = 11308800. Its totient is φ = 933120.

The previous prime is 3340633. The next prime is 3340657. The reversal of 3340656 is 6560433.

3340656 is a `hidden beast` number, since 3 + 3 + 4 + 0 + 656 = 666.

It is a super-2 number, since 2×3340656² = 22319965020672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90270 + ... + 90306.

It is an arithmetic number, because the mean of its divisors is an integer number (70680).

Almost surely, 2^3340656 is an apocalyptic number.

3340656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3340656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5654400).

3340656 is an abundant number, since it is smaller than the sum of its proper divisors (7968144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3340656 is a wasteful number, since it uses less digits than its factorization.

3340656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3340656 is about 1827.7461530530. The cubic root of 3340656 is about 149.4894643269.

The spelling of 3340656 in words is "three million, three hundred forty thousand, six hundred fifty-six".