381298776 has 16 divisors (see below), whose sum is σ = 953247000. Its totient is φ = 127099584.

The previous prime is 381298717. The next prime is 381298777. The reversal of 381298776 is 677892183.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381298777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7943701 + ... + 7943748.

Almost surely, 2^381298776 is an apocalyptic number.

It is an amenable number.

381298776 is an abundant number, since it is smaller than the sum of its proper divisors (571948224).

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

381298776 is a wasteful number, since it uses less digits than its factorization.

381298776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15887458 (or 15887454 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 381298776 is about 19526.8731751912. The cubic root of 381298776 is about 725.1399022920.

The spelling of 381298776 in words is "three hundred eighty-one million, two hundred ninety-eight thousand, seven hundred seventy-six".