381495356 has 24 divisors (see below), whose sum is σ = 728904960. Its totient is φ = 173265200.

The previous prime is 381495353. The next prime is 381495371. The reversal of 381495356 is 653594183.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381495353) 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, 66365 + ... + 71883.

It is an arithmetic number, because the mean of its divisors is an integer number (30371040).

Almost surely, 2^381495356 is an apocalyptic number.

It is an amenable number.

381495356 is a deficient number, since it is larger than the sum of its proper divisors (347409604).

381495356 is a wasteful number, since it uses less digits than its factorization.

381495356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105 (or 7103 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 381495356 is about 19531.9061025800. The cubic root of 381495356 is about 725.2644970726.

The spelling of 381495356 in words is "three hundred eighty-one million, four hundred ninety-five thousand, three hundred fifty-six".