374986985 has 4 divisors (see below), whose sum is σ = 449984388. Its totient is φ = 299989584.

The previous prime is 374986981. The next prime is 374986991. The reversal of 374986985 is 589689473.

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

It can be written as a sum of positive squares in 2 ways, for example, as 112190464 + 262796521 = 10592^2 + 16211^2 .

It is a cyclic number.

It is not a de Polignac number, because 374986985 - 2² = 374986981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374986981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37498694 + ... + 37498703.

It is an arithmetic number, because the mean of its divisors is an integer number (112496097).

Almost surely, 2^374986985 is an apocalyptic number.

It is an amenable number.

374986985 is a deficient number, since it is larger than the sum of its proper divisors (74997403).

374986985 is an equidigital number, since it uses as much as digits as its factorization.

374986985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74997402.

The product of its digits is 13063680, while the sum is 59.

The square root of 374986985 is about 19364.5806822663. The cubic root of 374986985 is about 721.1164424447.

The spelling of 374986985 in words is "three hundred seventy-four million, nine hundred eighty-six thousand, nine hundred eighty-five".