374981616 has 80 divisors (see below), whose sum is σ = 1080645120. Its totient is φ = 124493760.

The previous prime is 374981591. The next prime is 374981617. The reversal of 374981616 is 616189473.

It is a happy number.

It is a super-2 number, since 2×374981616² = 281222424675942912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374981617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115471 + ... + 118673.

It is an arithmetic number, because the mean of its divisors is an integer number (13508064).

Almost surely, 2^374981616 is an apocalyptic number.

374981616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 374981616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540322560).

374981616 is an abundant number, since it is smaller than the sum of its proper divisors (705663504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

374981616 is a wasteful number, since it uses less digits than its factorization.

374981616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491 (or 3479 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 374981616 is about 19364.4420523804. The cubic root of 374981616 is about 721.1130008206.

The spelling of 374981616 in words is "three hundred seventy-four million, nine hundred eighty-one thousand, six hundred sixteen".