381050900 has 18 divisors (see below), whose sum is σ = 826880670. Its totient is φ = 152420320.

The previous prime is 381050899. The next prime is 381050911. The reversal of 381050900 is 9050183.

It can be written as a sum of positive squares in 3 ways, for example, as 67831696 + 313219204 = 8236^2 + 17698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 381050900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1905155 + ... + 1905354.

It is an arithmetic number, because the mean of its divisors is an integer number (45937815).

Almost surely, 2^381050900 is an apocalyptic number.

It is an amenable number.

381050900 is an abundant number, since it is smaller than the sum of its proper divisors (445829770).

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

381050900 is a wasteful number, since it uses less digits than its factorization.

381050900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810523 (or 3810516 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 381050900 is about 19520.5250953964. The cubic root of 381050900 is about 724.9827344283.

The spelling of 381050900 in words is "three hundred eighty-one million, fifty thousand, nine hundred".