28630767 has 16 divisors (see below), whose sum is σ = 42150528. Its totient is φ = 17141280.

The previous prime is 28630757. The next prime is 28630769. The reversal of 28630767 is 76703682.

It is a de Polignac number, because none of the positive numbers 2^k-28630767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28630769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2488 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (2634408).

Almost surely, 2^28630767 is an apocalyptic number.

28630767 is a deficient number, since it is larger than the sum of its proper divisors (13519761).

28630767 is a wasteful number, since it uses less digits than its factorization.

28630767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10550.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 28630767 is about 5350.7725610420. The cubic root of 28630767 is about 305.9222003076.

The spelling of 28630767 in words is "twenty-eight million, six hundred thirty thousand, seven hundred sixty-seven".