381499024 has 45 divisors (see below), whose sum is σ = 783151977. Its totient is φ = 180006912.

The previous prime is 381499009. The next prime is 381499033. The reversal of 381499024 is 420994183.

The square root of 381499024 is 19532.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 375584400 + 5914624 = 19380^2 + 2432^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1484304 + ... + 1484560.

Almost surely, 2^381499024 is an apocalyptic number.

381499024 is the 19532-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381499024

381499024 is an abundant number, since it is smaller than the sum of its proper divisors (401652953).

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

381499024 is an equidigital number, since it uses as much as digits as its factorization.

381499024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The cubic root of 381499024 is about 725.2668214885.

The spelling of 381499024 in words is "three hundred eighty-one million, four hundred ninety-nine thousand, twenty-four".