374870891 has 2 divisors, whose sum is σ = 374870892. Its totient is φ = 374870890.

The previous prime is 374870887. The next prime is 374870933. The reversal of 374870891 is 198078473.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 374870891 - 2² = 374870887 is a prime.

It is not a weakly prime, because it can be changed into another prime (374870591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187435445 + 187435446.

It is an arithmetic number, because the mean of its divisors is an integer number (187435446).

Almost surely, 2^374870891 is an apocalyptic number.

374870891 is a deficient number, since it is larger than the sum of its proper divisors (1).

374870891 is an equidigital number, since it uses as much as digits as its factorization.

374870891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 374870891 is about 19361.5828640119. The cubic root of 374870891 is about 721.0420168098.

The spelling of 374870891 in words is "three hundred seventy-four million, eight hundred seventy thousand, eight hundred ninety-one".