28376913 has 8 divisors (see below), whose sum is σ = 37864288. Its totient is φ = 18903744.

The previous prime is 28376897. The next prime is 28376921. The reversal of 28376913 is 31967382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28376913 - 2⁴ = 28376897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28376713) 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, 2670 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (4733036).

Almost surely, 2^28376913 is an apocalyptic number.

It is an amenable number.

28376913 is a deficient number, since it is larger than the sum of its proper divisors (9487375).

28376913 is a wasteful number, since it uses less digits than its factorization.

28376913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103.

The product of its digits is 54432, while the sum is 39.

The square root of 28376913 is about 5326.9984982164. The cubic root of 28376913 is about 305.0153642713.

The spelling of 28376913 in words is "twenty-eight million, three hundred seventy-six thousand, nine hundred thirteen".