374859891 has 24 divisors (see below), whose sum is σ = 627300960. Its totient is φ = 211268736.

The previous prime is 374859889. The next prime is 374859893. The reversal of 374859891 is 198958473.

374859891 is a `hidden beast` number, since 3 + 7 + 48 + 598 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (374859889) and next prime (374859893).

It is not a de Polignac number, because 374859891 - 2¹ = 374859889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (374859893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36156 + ... + 45353.

It is an arithmetic number, because the mean of its divisors is an integer number (26137540).

Almost surely, 2^374859891 is an apocalyptic number.

374859891 is a deficient number, since it is larger than the sum of its proper divisors (252441069).

374859891 is a wasteful number, since it uses less digits than its factorization.

374859891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81595 (or 81592 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 374859891 is about 19361.2987942442. The cubic root of 374859891 is about 721.0349641241.

The spelling of 374859891 in words is "three hundred seventy-four million, eight hundred fifty-nine thousand, eight hundred ninety-one".