381262882 has 64 divisors (see below), whose sum is σ = 773385984. Its totient is φ = 136131840.

The previous prime is 381262853. The next prime is 381262883. The reversal of 381262882 is 288262183.

It is a super-2 number, since 2×381262882² = 290722770381891848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381262883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313708 + ... + 314920.

It is an arithmetic number, because the mean of its divisors is an integer number (12084156).

Almost surely, 2^381262882 is an apocalyptic number.

381262882 is an abundant number, since it is smaller than the sum of its proper divisors (392123102).

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

381262882 is a wasteful number, since it uses less digits than its factorization.

381262882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its digits is 73728, while the sum is 40.

The square root of 381262882 is about 19525.9540611976. The cubic root of 381262882 is about 725.1171476177.

The spelling of 381262882 in words is "three hundred eighty-one million, two hundred sixty-two thousand, eight hundred eighty-two".