380974356 has 144 divisors (see below), whose sum is σ = 1132185600. Its totient is φ = 105779520.

The previous prime is 380974351. The next prime is 380974357. The reversal of 380974356 is 653479083.

It is a super-2 number, since 2×380974356² = 290282919859229472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380974351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1914345 + ... + 1914543.

It is an arithmetic number, because the mean of its divisors is an integer number (7862400).

Almost surely, 2^380974356 is an apocalyptic number.

380974356 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 380974356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566092800).

380974356 is an abundant number, since it is smaller than the sum of its proper divisors (751211244).

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

380974356 is a wasteful number, since it uses less digits than its factorization.

380974356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 380974356 is about 19518.5643939302. The cubic root of 380974356 is about 724.9341872879.

The spelling of 380974356 in words is "three hundred eighty million, nine hundred seventy-four thousand, three hundred fifty-six".