381150964 has 12 divisors (see below), whose sum is σ = 667250500. Its totient is φ = 190507968.

The previous prime is 381150961. The next prime is 381151021. The reversal of 381150964 is 469051183.

It can be written as a sum of positive squares in 2 ways, for example, as 30338064 + 350812900 = 5508^2 + 18730^2 .

It is a hoax number, since the sum of its digits (37) 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 (381150961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889 + ... + 27760.

Almost surely, 2^381150964 is an apocalyptic number.

It is an amenable number.

381150964 is a deficient number, since it is larger than the sum of its proper divisors (286099536).

381150964 is a wasteful number, since it uses less digits than its factorization.

381150964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33762 (or 33760 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 381150964 is about 19523.0879729617. The cubic root of 381150964 is about 725.0461890509.

The spelling of 381150964 in words is "three hundred eighty-one million, one hundred fifty thousand, nine hundred sixty-four".