3697989552 has 90 divisors (see below), whose sum is σ = 10747041188. Its totient is φ = 1232628192.

The previous prime is 3697989517. The next prime is 3697989619. The reversal of 3697989552 is 2559897963.

3697989552 is a `hidden beast` number, since 3 + 6 + 9 + 79 + 8 + 9 + 552 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3697989552.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 87363 + ... + 122589.

Almost surely, 2^3697989552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3697989552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5373520594).

3697989552 is an abundant number, since it is smaller than the sum of its proper divisors (7049051636).

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

3697989552 is an frugal number, since it uses more digits than its factorization.

3697989552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35259 (or 35232 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The square root of 3697989552 is about 60811.0972767307. The cubic root of 3697989552 is about 1546.4001860392.

The spelling of 3697989552 in words is "three billion, six hundred ninety-seven million, nine hundred eighty-nine thousand, five hundred fifty-two".