3890046928 has 20 divisors (see below), whose sum is σ = 7933648960. Its totient is φ = 1842653664.

The previous prime is 3890046917. The next prime is 3890046931. The reversal of 3890046928 is 8296400983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6397800 + ... + 6398407.

It is an arithmetic number, because the mean of its divisors is an integer number (396682448).

Almost surely, 2^3890046928 is an apocalyptic number.

3890046928 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3890046928 is an abundant number, since it is smaller than the sum of its proper divisors (4043602032).

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

3890046928 is a wasteful number, since it uses less digits than its factorization.

3890046928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12796234 (or 12796228 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 3890046928 is about 62370.2407242428. The cubic root of 3890046928 is about 1572.7207381611.

The spelling of 3890046928 in words is "three billion, eight hundred ninety million, forty-six thousand, nine hundred twenty-eight".