381960788 has 24 divisors (see below), whose sum is σ = 730477440. Its totient is φ = 173313920.

The previous prime is 381960773. The next prime is 381960829. The reversal of 381960788 is 887069183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18773 + ... + 33411.

It is an arithmetic number, because the mean of its divisors is an integer number (30436560).

Almost surely, 2^381960788 is an apocalyptic number.

It is an amenable number.

381960788 is a deficient number, since it is larger than the sum of its proper divisors (348516652).

381960788 is a wasteful number, since it uses less digits than its factorization.

381960788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247 (or 15245 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 381960788 is about 19543.8171297216. The cubic root of 381960788 is about 725.5593229605.

It can be divided in two parts, 381 and 960788, that added together give a palindrome (961169).

The spelling of 381960788 in words is "three hundred eighty-one million, nine hundred sixty thousand, seven hundred eighty-eight".