3626399752 has 8 divisors (see below), whose sum is σ = 6799499550. Its totient is φ = 1813199872.

The previous prime is 3626399737. The next prime is 3626399767. The reversal of 3626399752 is 2579936263.

It is an interprime number because it is at equal distance from previous prime (3626399737) and next prime (3626399767).

It can be written as a sum of positive squares in only one way, i.e., 3003697636 + 622702116 = 54806^2 + 24954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3626399752² = 26301550322611323008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3626399752.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226649977 + ... + 226649992.

Almost surely, 2^3626399752 is an apocalyptic number.

It is an amenable number.

3626399752 is a deficient number, since it is larger than the sum of its proper divisors (3173099798).

3626399752 is a wasteful number, since it uses less digits than its factorization.

3626399752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453299975 (or 453299971 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 52.

The square root of 3626399752 is about 60219.5960796816. The cubic root of 3626399752 is about 1536.3561106918.

The spelling of 3626399752 in words is "three billion, six hundred twenty-six million, three hundred ninety-nine thousand, seven hundred fifty-two".