28376456 has 16 divisors (see below), whose sum is σ = 53502540. Its totient is φ = 14109120.

The previous prime is 28376449. The next prime is 28376459. The reversal of 28376456 is 65467382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24108100 + 4268356 = 4910^2 + 2066^2 .

It is not an unprimeable number, because it can be changed into a prime (28376459) 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, 8351 + ... + 11246.

Almost surely, 2^28376456 is an apocalyptic number.

It is an amenable number.

28376456 is a deficient number, since it is larger than the sum of its proper divisors (25126084).

28376456 is a wasteful number, since it uses less digits than its factorization.

28376456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19784 (or 19780 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 28376456 is about 5326.9556033442. The cubic root of 28376456 is about 305.0137268748.

The spelling of 28376456 in words is "twenty-eight million, three hundred seventy-six thousand, four hundred fifty-six".