3990954 has 32 divisors (see below), whose sum is σ = 9222336. Its totient is φ = 1137920.

The previous prime is 3990929. The next prime is 3990967. The reversal of 3990954 is 4590993.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (288198).

Almost surely, 2^3990954 is an apocalyptic number.

3990954 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3990954 is an abundant number, since it is smaller than the sum of its proper divisors (5231382).

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

3990954 is a wasteful number, since it uses less digits than its factorization.

3990954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 3990954 is about 1997.7372199566. The cubic root of 3990954 is about 158.6203512943.

Adding to 3990954 its sum of digits (39), we get a palindrome (3990993).

The spelling of 3990954 in words is "three million, nine hundred ninety thousand, nine hundred fifty-four".