3238920387 has 24 divisors (see below), whose sum is σ = 4790492928. Its totient is φ = 2108156400.

The previous prime is 3238920383. The next prime is 3238920389. The reversal of 3238920387 is 7830298323.

It is a happy number.

It is not a de Polignac number, because 3238920387 - 2² = 3238920383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3238920383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41212 + ... + 90422.

It is an arithmetic number, because the mean of its divisors is an integer number (199603872).

Almost surely, 2^3238920387 is an apocalyptic number.

3238920387 is a deficient number, since it is larger than the sum of its proper divisors (1551572541).

3238920387 is a wasteful number, since it uses less digits than its factorization.

3238920387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49391 (or 49388 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 3238920387 is about 56911.5136593642. The cubic root of 3238920387 is about 1479.5628711165.

The spelling of 3238920387 in words is "three billion, two hundred thirty-eight million, nine hundred twenty thousand, three hundred eighty-seven".