3890402750 has 64 divisors (see below), whose sum is σ = 7877181312. Its totient is φ = 1430208000.

The previous prime is 3890402749. The next prime is 3890402767. The reversal of 3890402750 is 572040983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780767 + ... + 785733.

It is an arithmetic number, because the mean of its divisors is an integer number (123080958).

Almost surely, 2^3890402750 is an apocalyptic number.

3890402750 is an abundant number, since it is smaller than the sum of its proper divisors (3986778562).

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

3890402750 is a wasteful number, since it uses less digits than its factorization.

3890402750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 3890402750 is about 62373.0931572261. The cubic root of 3890402750 is about 1572.7686888746.

The spelling of 3890402750 in words is "three billion, eight hundred ninety million, four hundred two thousand, seven hundred fifty".