3690838872 has 80 divisors (see below), whose sum is σ = 11814604560. Its totient is φ = 1054524096.

The previous prime is 3690838843. The next prime is 3690838897. The reversal of 3690838872 is 2788380963.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 402303 + ... + 411374.

It is an arithmetic number, because the mean of its divisors is an integer number (147682557).

Almost surely, 2^3690838872 is an apocalyptic number.

It is an amenable number.

3690838872 is an abundant number, since it is smaller than the sum of its proper divisors (8123765688).

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

3690838872 is a wasteful number, since it uses less digits than its factorization.

3690838872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813702 (or 813689 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 3690838872 is about 60752.2746240830. The cubic root of 3690838872 is about 1545.4028019409.

The spelling of 3690838872 in words is "three billion, six hundred ninety million, eight hundred thirty-eight thousand, eight hundred seventy-two".