3690115988 has 12 divisors (see below), whose sum is σ = 6954449460. Its totient is φ = 1703130432.

The previous prime is 3690115981. The next prime is 3690115997. The reversal of 3690115988 is 8895110963.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1385923984 + 2304192004 = 37228^2 + 48002^2 .

It is a super-2 number, since 2×3690115988² = 27233912009786432288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690115981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35481833 + ... + 35481936.

It is an arithmetic number, because the mean of its divisors is an integer number (579537455).

Almost surely, 2^3690115988 is an apocalyptic number.

It is an amenable number.

3690115988 is a deficient number, since it is larger than the sum of its proper divisors (3264333472).

3690115988 is a wasteful number, since it uses less digits than its factorization.

3690115988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70963786 (or 70963784 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 3690115988 is about 60746.3248929513. The cubic root of 3690115988 is about 1545.3019016722.

The spelling of 3690115988 in words is "three billion, six hundred ninety million, one hundred fifteen thousand, nine hundred eighty-eight".