3902731382 has 16 divisors (see below), whose sum is σ = 6394021200. Its totient is φ = 1771820640.

The previous prime is 3902731367. The next prime is 3902731397. The reversal of 3902731382 is 2831372093.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3902731367) and next prime (3902731397).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 88757 + ... + 125232.

It is an arithmetic number, because the mean of its divisors is an integer number (399626325).

Almost surely, 2^3902731382 is an apocalyptic number.

3902731382 is a deficient number, since it is larger than the sum of its proper divisors (2491289818).

3902731382 is a wasteful number, since it uses less digits than its factorization.

3902731382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214831.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 3902731382 is about 62471.8447142391. The cubic root of 3902731382 is about 1574.4282976872.

The spelling of 3902731382 in words is "three billion, nine hundred two million, seven hundred thirty-one thousand, three hundred eighty-two".