381503088 has 40 divisors (see below), whose sum is σ = 1095056400. Its totient is φ = 127167552.

The previous prime is 381503051. The next prime is 381503113. The reversal of 381503088 is 880305183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 441123 + ... + 441986.

It is an arithmetic number, because the mean of its divisors is an integer number (27376410).

Almost surely, 2^381503088 is an apocalyptic number.

It is an amenable number.

381503088 is an abundant number, since it is smaller than the sum of its proper divisors (713553312).

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

381503088 is a wasteful number, since it uses less digits than its factorization.

381503088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883126 (or 883114 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 381503088 is about 19532.1040341280. The cubic root of 381503088 is about 725.2693968327.

The spelling of 381503088 in words is "three hundred eighty-one million, five hundred three thousand, eighty-eight".