3395640 has 32 divisors (see below), whose sum is σ = 10187280. Its totient is φ = 905472.

The previous prime is 3395633. The next prime is 3395641. The reversal of 3395640 is 465933.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3395598 and 3395607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3395641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14029 + ... + 14268.

Almost surely, 2^3395640 is an apocalyptic number.

3395640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3395640 is an abundant number, since it is smaller than the sum of its proper divisors (6791640).

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

3395640 is a wasteful number, since it uses less digits than its factorization.

3395640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28311 (or 28307 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3395640 is about 1842.7262411981. The cubic root of 3395640 is about 150.3051565533.

The spelling of 3395640 in words is "three million, three hundred ninety-five thousand, six hundred forty".