2391881932 has 24 divisors (see below), whose sum is σ = 4602286080. Its totient is φ = 1078655760.

The previous prime is 2391881927. The next prime is 2391881953.

2391881932 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208432 + ... + 219607.

It is an arithmetic number, because the mean of its divisors is an integer number (191761920).

Almost surely, 2^2391881932 is an apocalyptic number.

2391881932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2391881932 is a deficient number, since it is larger than the sum of its proper divisors (2210404148).

2391881932 is a wasteful number, since it uses less digits than its factorization.

2391881932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428181 (or 428179 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 2391881932 is about 48906.8699877635. The cubic root of 2391881932 is about 1337.3546109412.

The spelling of 2391881932 in words is "two billion, three hundred ninety-one million, eight hundred eighty-one thousand, nine hundred thirty-two".