380812420 has 48 divisors (see below), whose sum is σ = 823093488. Its totient is φ = 147929600.

The previous prime is 380812409. The next prime is 380812433. The reversal of 380812420 is 24218083.

It can be written as a sum of positive squares in 8 ways, for example, as 5692996 + 375119424 = 2386^2 + 19368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105282 + ... + 108838.

It is an arithmetic number, because the mean of its divisors is an integer number (17147781).

Almost surely, 2^380812420 is an apocalyptic number.

It is an amenable number.

380812420 is an abundant number, since it is smaller than the sum of its proper divisors (442281068).

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

380812420 is a wasteful number, since it uses less digits than its factorization.

380812420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720 (or 3718 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 380812420 is about 19514.4156971199. The cubic root of 380812420 is about 724.8314598318.

The spelling of 380812420 in words is "three hundred eighty million, eight hundred twelve thousand, four hundred twenty".