380971340 has 24 divisors (see below), whose sum is σ = 800413152. Its totient is φ = 152317440.

The previous prime is 380971321. The next prime is 380971361. The reversal of 380971340 is 43179083.

It is a self number, because there is not a number n which added to its sum of digits gives 380971340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69500 + ... + 74780.

It is an arithmetic number, because the mean of its divisors is an integer number (33350548).

Almost surely, 2^380971340 is an apocalyptic number.

It is an amenable number.

380971340 is an abundant number, since it is smaller than the sum of its proper divisors (419441812).

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

380971340 is a wasteful number, since it uses less digits than its factorization.

380971340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 380971340 is about 19518.4871339968. The cubic root of 380971340 is about 724.9322742919.

The spelling of 380971340 in words is "three hundred eighty million, nine hundred seventy-one thousand, three hundred forty".