3988372 has 12 divisors (see below), whose sum is σ = 7002100. Its totient is φ = 1987776.

The previous prime is 3988351. The next prime is 3988381. The reversal of 3988372 is 2738893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2808976 + 1179396 = 1676^2 + 1086^2 .

It is a super-2 number, since 2×3988372² = 31814222420768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 33 + ... + 2824.

Almost surely, 2^3988372 is an apocalyptic number.

It is an amenable number.

3988372 is a deficient number, since it is larger than the sum of its proper divisors (3013728).

3988372 is a wasteful number, since it uses less digits than its factorization.

3988372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3208 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 3988372 is about 1997.0908842614. The cubic root of 3988372 is about 158.5861367429.

The spelling of 3988372 in words is "three million, nine hundred eighty-eight thousand, three hundred seventy-two".