3805690 has 16 divisors (see below), whose sum is σ = 7828992. Its totient is φ = 1304784.

The previous prime is 3805687. The next prime is 3805717. The reversal of 3805690 is 965083.

It is a super-2 number, since 2×3805690² = 28966552752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27114 + ... + 27253.

It is an arithmetic number, because the mean of its divisors is an integer number (489312).

Almost surely, 2^3805690 is an apocalyptic number.

3805690 is an abundant number, since it is smaller than the sum of its proper divisors (4023302).

3805690 is a wasteful number, since it uses less digits than its factorization.

3805690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54381.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 3805690 is about 1950.8177772411. The cubic root of 3805690 is about 156.1269238800.

The spelling of 3805690 in words is "three million, eight hundred five thousand, six hundred ninety".