380434272 has 24 divisors (see below), whose sum is σ = 998640216. Its totient is φ = 126811392.

The previous prime is 380434253. The next prime is 380434277. The reversal of 380434272 is 272434083.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380434277) 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, 1981333 + ... + 1981524.

It is an arithmetic number, because the mean of its divisors is an integer number (41610009).

Almost surely, 2^380434272 is an apocalyptic number.

380434272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

380434272 is an abundant number, since it is smaller than the sum of its proper divisors (618205944).

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

380434272 is a wasteful number, since it uses less digits than its factorization.

380434272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962870 (or 3962862 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 380434272 is about 19504.7243507823. The cubic root of 380434272 is about 724.5914603571.

The spelling of 380434272 in words is "three hundred eighty million, four hundred thirty-four thousand, two hundred seventy-two".