3396780 has 72 divisors (see below), whose sum is σ = 10456992. Its totient is φ = 892416.

The previous prime is 3396761. The next prime is 3396781. The reversal of 3396780 is 876933.

It is a super-2 number, since 2×3396780² = 23076228736800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3396781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20257 + ... + 20423.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

Almost surely, 2^3396780 is an apocalyptic number.

3396780 is a gapful number since it is divisible by the number (30) 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 3396780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5228496).

3396780 is an abundant number, since it is smaller than the sum of its proper divisors (7060212).

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

3396780 is a wasteful number, since it uses less digits than its factorization.

3396780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3396780 is about 1843.0355395380. The cubic root of 3396780 is about 150.3219750526.

The spelling of 3396780 in words is "three million, three hundred ninety-six thousand, seven hundred eighty".