378793280 has 28 divisors (see below), whose sum is σ = 902002260. Its totient is φ = 151517184.

The previous prime is 378793213. The next prime is 378793297. The reversal of 378793280 is 82397873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 247369984 + 131423296 = 15728^2 + 11464^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591545 + ... + 592184.

Almost surely, 2^378793280 is an apocalyptic number.

It is an amenable number.

378793280 is an abundant number, since it is smaller than the sum of its proper divisors (523208980).

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

378793280 is a wasteful number, since it uses less digits than its factorization.

378793280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183746 (or 1183736 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 378793280 is about 19462.6123631952. The cubic root of 378793280 is about 723.5481241591.

The spelling of 378793280 in words is "three hundred seventy-eight million, seven hundred ninety-three thousand, two hundred eighty".