3890051892 has 96 divisors (see below), whose sum is σ = 10363776640. Its totient is φ = 1277138016.

The previous prime is 3890051857. The next prime is 3890051899. The reversal of 3890051892 is 2981500983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890051899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582798 + ... + 589434.

Almost surely, 2^3890051892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3890051892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5181888320).

3890051892 is an abundant number, since it is smaller than the sum of its proper divisors (6473724748).

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

3890051892 is an equidigital number, since it uses as much as digits as its factorization.

3890051892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729 (or 6709 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 3890051892 is about 62370.2805188497. The cubic root of 3890051892 is about 1572.7214071318.

It can be divided in two parts, 38900518 and 92, that added together give a triangular number (38900610 = T₈₈₂₀).

The spelling of 3890051892 in words is "three billion, eight hundred ninety million, fifty-one thousand, eight hundred ninety-two".