376521394 has 4 divisors (see below), whose sum is σ = 564782094. Its totient is φ = 188260696.

The previous prime is 376521377. The next prime is 376521403. The reversal of 376521394 is 493125673.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213014025 + 163507369 = 14595^2 + 12787^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 94130347 + ... + 94130350.

Almost surely, 2^376521394 is an apocalyptic number.

376521394 is a deficient number, since it is larger than the sum of its proper divisors (188260700).

376521394 is a wasteful number, since it uses less digits than its factorization.

376521394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188260699.

The product of its digits is 136080, while the sum is 40.

The square root of 376521394 is about 19404.1591933276. The cubic root of 376521394 is about 722.0986825518.

The spelling of 376521394 in words is "three hundred seventy-six million, five hundred twenty-one thousand, three hundred ninety-four".