3799981920 has 96 divisors (see below), whose sum is σ = 13679947008. Its totient is φ = 868566528.

The previous prime is 3799981919. The next prime is 3799981979. The reversal of 3799981920 is 291899973.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562114 + ... + 568833.

It is an arithmetic number, because the mean of its divisors is an integer number (142499448).

Almost surely, 2^3799981920 is an apocalyptic number.

3799981920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3799981920 is an abundant number, since it is smaller than the sum of its proper divisors (9879965088).

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

3799981920 is a wasteful number, since it uses less digits than its factorization.

3799981920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130972 (or 1130964 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 57.

The square root of 3799981920 is about 61643.9933813506. The cubic root of 3799981920 is about 1560.4882758204.

The spelling of 3799981920 in words is "three billion, seven hundred ninety-nine million, nine hundred eighty-one thousand, nine hundred twenty".