376521428 has 6 divisors (see below), whose sum is σ = 658912506. Its totient is φ = 188260712.

The previous prime is 376521427. The next prime is 376521469. The reversal of 376521428 is 824125673.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 297631504 + 78889924 = 17252^2 + 8882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 376521391 and 376521400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376521427) 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 as a sum of consecutive naturals, namely, 47065175 + ... + 47065182.

It is an arithmetic number, because the mean of its divisors is an integer number (109818751).

Almost surely, 2^376521428 is an apocalyptic number.

It is an amenable number.

376521428 is a deficient number, since it is larger than the sum of its proper divisors (282391078).

376521428 is a wasteful number, since it uses less digits than its factorization.

376521428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94130361 (or 94130359 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 376521428 is about 19404.1600694284. The cubic root of 376521428 is about 722.0987042870.

The spelling of 376521428 in words is "three hundred seventy-six million, five hundred twenty-one thousand, four hundred twenty-eight".