3239940287 has 8 divisors (see below), whose sum is σ = 3558744960. Its totient is φ = 2935963800.

The previous prime is 3239940283. The next prime is 3239940289. The reversal of 3239940287 is 7820499323.

3239940287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3239940287 - 2² = 3239940283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3239940283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706589 + ... + 3707462.

It is an arithmetic number, because the mean of its divisors is an integer number (444843120).

Almost surely, 2^3239940287 is an apocalyptic number.

3239940287 is a deficient number, since it is larger than the sum of its proper divisors (318804673).

3239940287 is a wasteful number, since it uses less digits than its factorization.

3239940287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414093.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3239940287 is about 56920.4733553754. The cubic root of 3239940287 is about 1479.7181541152.

The spelling of 3239940287 in words is "three billion, two hundred thirty-nine million, nine hundred forty thousand, two hundred eighty-seven".