3997004 has 12 divisors (see below), whose sum is σ = 7630728. Its totient is φ = 1816800.

The previous prime is 3997003. The next prime is 3997039. The reversal of 3997004 is 4007993.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3997001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45377 + ... + 45464.

It is an arithmetic number, because the mean of its divisors is an integer number (635894).

Almost surely, 2^3997004 is an apocalyptic number.

It is an amenable number.

3997004 is a deficient number, since it is larger than the sum of its proper divisors (3633724).

3997004 is a wasteful number, since it uses less digits than its factorization.

3997004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90856 (or 90854 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3997004 is about 1999.2508596972. The cubic root of 3997004 is about 158.7004631850.

The spelling of 3997004 in words is "three million, nine hundred ninety-seven thousand, four".