3407885 has 24 divisors (see below), whose sum is σ = 4589640. Its totient is φ = 2426112.

The previous prime is 3407881. The next prime is 3407891. The reversal of 3407885 is 5887043.

3407885 = 93² + 94² + ... + 222².

It can be written as a sum of positive squares in 12 ways, for example, as 857476 + 2550409 = 926^2 + 1597^2 .

It is not a de Polignac number, because 3407885 - 2² = 3407881 is a prime.

It is a super-2 number, since 2×3407885² = 23227360346450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3407881) 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, 31211 + ... + 31319.

It is an arithmetic number, because the mean of its divisors is an integer number (191235).

Almost surely, 2^3407885 is an apocalyptic number.

It is an amenable number.

3407885 is a deficient number, since it is larger than the sum of its proper divisors (1181755).

3407885 is a wasteful number, since it uses less digits than its factorization.

3407885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 3407885 is about 1846.0457740804. The cubic root of 3407885 is about 150.4856113660.

The spelling of 3407885 in words is "three million, four hundred seven thousand, eight hundred eighty-five".