381095730 has 48 divisors (see below), whose sum is σ = 1043003520. Its totient is φ = 96276384.

The previous prime is 381095683. The next prime is 381095761. The reversal of 381095730 is 37590183.

381095730 is a `hidden beast` number, since 3 + 81 + 0 + 9 + 573 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109722 + ... + 113141.

It is an arithmetic number, because the mean of its divisors is an integer number (21729240).

Almost surely, 2^381095730 is an apocalyptic number.

381095730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381095730 is an abundant number, since it is smaller than the sum of its proper divisors (661907790).

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

381095730 is a wasteful number, since it uses less digits than its factorization.

381095730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222895 (or 222892 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 381095730 is about 19521.6733401622. The cubic root of 381095730 is about 725.0111643148.

The spelling of 381095730 in words is "three hundred eighty-one million, ninety-five thousand, seven hundred thirty".