3958690 has 16 divisors (see below), whose sum is σ = 7217280. Its totient is φ = 1563120.

The previous prime is 3958687. The next prime is 3958697. The reversal of 3958690 is 968593.

It is a super-2 number, since 2×3958690² = 31342453032200, which contains 22 as substring.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3958697) 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, 1716 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (451080).

Almost surely, 2^3958690 is an apocalyptic number.

3958690 is a deficient number, since it is larger than the sum of its proper divisors (3258590).

3958690 is a wasteful number, since it uses less digits than its factorization.

3958690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3958690 is about 1989.6456971029. The cubic root of 3958690 is about 158.1917503182.

The spelling of 3958690 in words is "three million, nine hundred fifty-eight thousand, six hundred ninety".