3239987646 has 16 divisors (see below), whose sum is σ = 7405686144. Its totient is φ = 925710744.

The previous prime is 3239987633. The next prime is 3239987669. The reversal of 3239987646 is 6467899323.

3239987646 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 38571240 + ... + 38571323.

It is an arithmetic number, because the mean of its divisors is an integer number (462855384).

Almost surely, 2^3239987646 is an apocalyptic number.

3239987646 is an abundant number, since it is smaller than the sum of its proper divisors (4165698498).

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

3239987646 is a wasteful number, since it uses less digits than its factorization.

3239987646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77142575.

The product of its digits is 11757312, while the sum is 57.

The square root of 3239987646 is about 56920.8893640990. The cubic root of 3239987646 is about 1479.7253638808.

The spelling of 3239987646 in words is "three billion, two hundred thirty-nine million, nine hundred eighty-seven thousand, six hundred forty-six".