3690401688 has 32 divisors (see below), whose sum is σ = 10251116400. Its totient is φ = 1230133824.

The previous prime is 3690401669. The next prime is 3690401707. The reversal of 3690401688 is 8861040963.

It is an interprime number because it is at equal distance from previous prime (3690401669) and next prime (3690401707).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8542381 + ... + 8542812.

Almost surely, 2^3690401688 is an apocalyptic number.

It is an amenable number.

3690401688 is an abundant number, since it is smaller than the sum of its proper divisors (6560714712).

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

3690401688 is a wasteful number, since it uses less digits than its factorization.

3690401688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17085208 (or 17085198 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 3690401688 is about 60748.6764300260. The cubic root of 3690401688 is about 1545.3417813003.

The spelling of 3690401688 in words is "three billion, six hundred ninety million, four hundred one thousand, six hundred eighty-eight".