3990910 has 64 divisors (see below), whose sum is σ = 9206784. Its totient is φ = 1209600.

The previous prime is 3990907. The next prime is 3990913. The reversal of 3990910 is 190993.

It is an interprime number because it is at equal distance from previous prime (3990907) and next prime (3990913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990913) 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, 54634 + ... + 54706.

It is an arithmetic number, because the mean of its divisors is an integer number (143856).

Almost surely, 2^3990910 is an apocalyptic number.

3990910 is an abundant number, since it is smaller than the sum of its proper divisors (5215874).

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

3990910 is a wasteful number, since it uses less digits than its factorization.

3990910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 3990910 is about 1997.7262074669. The cubic root of 3990910 is about 158.6197683659.

It can be divided in two parts, 3990 and 910, that added together give a square (4900 = 70²).

The spelling of 3990910 in words is "three million, nine hundred ninety thousand, nine hundred ten".