28525296 has 40 divisors (see below), whose sum is σ = 73921360. Its totient is φ = 9478656.

The previous prime is 28525283. The next prime is 28525309. The reversal of 28525296 is 69252582.

It is an interprime number because it is at equal distance from previous prime (28525283) and next prime (28525309).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18906 + ... + 20358.

It is an arithmetic number, because the mean of its divisors is an integer number (1848034).

Almost surely, 2^28525296 is an apocalyptic number.

It is an amenable number.

28525296 is an abundant number, since it is smaller than the sum of its proper divisors (45396064).

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

28525296 is a wasteful number, since it uses less digits than its factorization.

28525296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1867 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 28525296 is about 5340.9077880076. The cubic root of 28525296 is about 305.5460825175.

The spelling of 28525296 in words is "twenty-eight million, five hundred twenty-five thousand, two hundred ninety-six".