28631295 has 48 divisors (see below), whose sum is σ = 61880832. Its totient is φ = 11897280.

The previous prime is 28631293. The next prime is 28631333. The reversal of 28631295 is 59213682.

It is not a de Polignac number, because 28631295 - 2¹ = 28631293 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28631293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 667 + ... + 7596.

It is an arithmetic number, because the mean of its divisors is an integer number (1289184).

Almost surely, 2^28631295 is an apocalyptic number.

28631295 is an abundant number, since it is smaller than the sum of its proper divisors (33249537).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28631295 is a wasteful number, since it uses less digits than its factorization.

28631295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292 (or 8289 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 28631295 is about 5350.8218994842. The cubic root of 28631295 is about 305.9240808711.

The spelling of 28631295 in words is "twenty-eight million, six hundred thirty-one thousand, two hundred ninety-five".