3997210 has 32 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 1289472.

The previous prime is 3997181. The next prime is 3997211. The reversal of 3997210 is 127993.

It is not an unprimeable number, because it can be changed into a prime (3997211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^3997210 is an apocalyptic number.

3997210 is an abundant number, since it is smaller than the sum of its proper divisors (4711910).

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

3997210 is a wasteful number, since it uses less digits than its factorization.

3997210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 3997210 is about 1999.3023783310. The cubic root of 3997210 is about 158.7031895381.

The spelling of 3997210 in words is "three million, nine hundred ninety-seven thousand, two hundred ten".