374683921 has 4 divisors (see below), whose sum is σ = 375662592. Its totient is φ = 373705252.

The previous prime is 374683889. The next prime is 374683979. The reversal of 374683921 is 129386473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 374683921 - 2⁵ = 374683889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374683121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488761 + ... + 489526.

It is an arithmetic number, because the mean of its divisors is an integer number (93915648).

Almost surely, 2^374683921 is an apocalyptic number.

It is an amenable number.

374683921 is a deficient number, since it is larger than the sum of its proper divisors (978671).

374683921 is an equidigital number, since it uses as much as digits as its factorization.

374683921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978670.

The product of its digits is 217728, while the sum is 43.

The square root of 374683921 is about 19356.7538859180. The cubic root of 374683921 is about 720.9221216242.

The spelling of 374683921 in words is "three hundred seventy-four million, six hundred eighty-three thousand, nine hundred twenty-one".