381650718 has 16 divisors (see below), whose sum is σ = 763716096. Its totient is φ = 127147800.

The previous prime is 381650677. The next prime is 381650719. The reversal of 381650718 is 817056183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381650719) 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, 4596 + ... + 28007.

It is an arithmetic number, because the mean of its divisors is an integer number (47732256).

Almost surely, 2^381650718 is an apocalyptic number.

381650718 is an abundant number, since it is smaller than the sum of its proper divisors (382065378).

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

381650718 is a wasteful number, since it uses less digits than its factorization.

381650718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34559.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 381650718 is about 19535.8828313440. The cubic root of 381650718 is about 725.3629371091.

The spelling of 381650718 in words is "three hundred eighty-one million, six hundred fifty thousand, seven hundred eighteen".