3997346 has 16 divisors (see below), whose sum is σ = 6424920. Its totient is φ = 1858560.

The previous prime is 3997339. The next prime is 3997349. The reversal of 3997346 is 6437993.

It can be written as a sum of positive squares in 4 ways, for example, as 3900625 + 96721 = 1975^2 + 311^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997349) 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, 2366 + ... + 3686.

Almost surely, 2^3997346 is an apocalyptic number.

3997346 is a deficient number, since it is larger than the sum of its proper divisors (2427574).

3997346 is a wasteful number, since it uses less digits than its factorization.

3997346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its digits is 122472, while the sum is 41.

The square root of 3997346 is about 1999.3363899054. The cubic root of 3997346 is about 158.7049894093.

The spelling of 3997346 in words is "three million, nine hundred ninety-seven thousand, three hundred forty-six".