3385665 has 32 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 1745280.

The previous prime is 3385661. The next prime is 3385699. The reversal of 3385665 is 5665833.

It is not a de Polignac number, because 3385665 - 2² = 3385661 is a prime.

It is a super-2 number, since 2×3385665² = 22925454984450, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3385661) 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, 3781 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

Almost surely, 2^3385665 is an apocalyptic number.

It is an amenable number.

3385665 is a deficient number, since it is larger than the sum of its proper divisors (2835135).

3385665 is a wasteful number, since it uses less digits than its factorization.

3385665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 848 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 3385665 is about 1840.0176629587. The cubic root of 3385665 is about 150.1578338649.

The spelling of 3385665 in words is "three million, three hundred eighty-five thousand, six hundred sixty-five".