28847325 has 24 divisors (see below), whose sum is σ = 51364768. Its totient is φ = 14201280.

The previous prime is 28847311. The next prime is 28847353. The reversal of 28847325 is 52374882.

It is not a de Polignac number, because 28847325 - 2⁷ = 28847197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13819 + ... + 15768.

Almost surely, 2^28847325 is an apocalyptic number.

28847325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28847325 is a deficient number, since it is larger than the sum of its proper divisors (22517443).

28847325 is a wasteful number, since it uses less digits than its factorization.

28847325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29613 (or 29608 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 28847325 is about 5370.9705826787. The cubic root of 28847325 is about 306.6915773453.

The spelling of 28847325 in words is "twenty-eight million, eight hundred forty-seven thousand, three hundred twenty-five".