3973626 has 12 divisors (see below), whose sum is σ = 8609562. Its totient is φ = 1324536.

The previous prime is 3973579. The next prime is 3973633. The reversal of 3973626 is 6263793.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 998001 = 1725^2 + 999^2 .

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 5 ways as a sum of consecutive naturals, for example, 110361 + ... + 110396.

Almost surely, 2^3973626 is an apocalyptic number.

3973626 is an abundant number, since it is smaller than the sum of its proper divisors (4635936).

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

3973626 is a wasteful number, since it uses less digits than its factorization.

3973626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220765 (or 220762 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 3973626 is about 1993.3955954602. The cubic root of 3973626 is about 158.3904512916.

The spelling of 3973626 in words is "three million, nine hundred seventy-three thousand, six hundred twenty-six".