381472782 has 16 divisors (see below), whose sum is σ = 763214592. Its totient is φ = 127112760.

The previous prime is 381472759. The next prime is 381472787. The reversal of 381472782 is 287274183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381472787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443 + ... + 29529.

It is an arithmetic number, because the mean of its divisors is an integer number (47700912).

Almost surely, 2^381472782 is an apocalyptic number.

381472782 is an abundant number, since it is smaller than the sum of its proper divisors (381741810).

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

381472782 is a wasteful number, since it uses less digits than its factorization.

381472782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22423.

The product of its digits is 150528, while the sum is 42.

The square root of 381472782 is about 19531.3282190434. The cubic root of 381472782 is about 725.2501915741.

The spelling of 381472782 in words is "three hundred eighty-one million, four hundred seventy-two thousand, seven hundred eighty-two".