380632782 has 16 divisors (see below), whose sum is σ = 761485392. Its totient is φ = 126840960.

The previous prime is 380632781. The next prime is 380632783. The reversal of 380632782 is 287236083.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (380632781) and next prime (380632783).

It is a self number, because there is not a number n which added to its sum of digits gives 380632782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380632781) 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, 20982 + ... + 34662.

It is an arithmetic number, because the mean of its divisors is an integer number (47592837).

Almost surely, 2^380632782 is an apocalyptic number.

380632782 is an abundant number, since it is smaller than the sum of its proper divisors (380852610).

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

380632782 is a wasteful number, since it uses less digits than its factorization.

380632782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18323.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 380632782 is about 19509.8124542498. The cubic root of 380632782 is about 724.7174686677.

The spelling of 380632782 in words is "three hundred eighty million, six hundred thirty-two thousand, seven hundred eighty-two".