374921887 has 4 divisors (see below), whose sum is σ = 375548400. Its totient is φ = 374295376.

The previous prime is 374921879. The next prime is 374921951. The reversal of 374921887 is 788129473.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 374921887 - 2³ = 374921879 is a prime.

It is a super-3 number, since 3×374921887³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 374921887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374921837) 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 3 ways as a sum of consecutive naturals, for example, 312358 + ... + 313555.

It is an arithmetic number, because the mean of its divisors is an integer number (93887100).

Almost surely, 2^374921887 is an apocalyptic number.

374921887 is a deficient number, since it is larger than the sum of its proper divisors (626513).

374921887 is an equidigital number, since it uses as much as digits as its factorization.

374921887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626512.

The product of its digits is 677376, while the sum is 49.

The square root of 374921887 is about 19362.8997570095. The cubic root of 374921887 is about 721.0747112586.

The spelling of 374921887 in words is "three hundred seventy-four million, nine hundred twenty-one thousand, eight hundred eighty-seven".