28679265 has 40 divisors (see below), whose sum is σ = 54130560. Its totient is φ = 14486688.

The previous prime is 28679249. The next prime is 28679281. The reversal of 28679265 is 56297682.

It is an interprime number because it is at equal distance from previous prime (28679249) and next prime (28679281).

It is not a de Polignac number, because 28679265 - 2⁴ = 28679249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28679265.

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 in 39 ways as a sum of consecutive naturals, for example, 5832 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (1353264).

Almost surely, 2^28679265 is an apocalyptic number.

It is an amenable number.

28679265 is a deficient number, since it is larger than the sum of its proper divisors (25451295).

28679265 is a wasteful number, since it uses less digits than its factorization.

28679265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763 (or 3754 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28679265 is about 5355.3025124637. The cubic root of 28679265 is about 306.0948379627.

The spelling of 28679265 in words is "twenty-eight million, six hundred seventy-nine thousand, two hundred sixty-five".