374681989 has 8 divisors (see below), whose sum is σ = 432787968. Its totient is φ = 320583360.

The previous prime is 374681933. The next prime is 374681999. The reversal of 374681989 is 989186473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 374681989 - 2⁷ = 374681861 is a prime.

It is a super-2 number, since 2×374681989² = 280773185761992242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374681999) 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 7 ways as a sum of consecutive naturals, for example, 1001637 + ... + 1002010.

It is an arithmetic number, because the mean of its divisors is an integer number (54098496).

Almost surely, 2^374681989 is an apocalyptic number.

It is an amenable number.

374681989 is a deficient number, since it is larger than the sum of its proper divisors (58105979).

374681989 is a wasteful number, since it uses less digits than its factorization.

374681989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003675.

The product of its digits is 2612736, while the sum is 55.

The square root of 374681989 is about 19356.7039807918. The cubic root of 374681989 is about 720.9208825141.

The spelling of 374681989 in words is "three hundred seventy-four million, six hundred eighty-one thousand, nine hundred eighty-nine".