28425948 has 12 divisors (see below), whose sum is σ = 66327240. Its totient is φ = 9475312.

The previous prime is 28425883. The next prime is 28425959. The reversal of 28425948 is 84952482.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184403 + ... + 1184426.

It is an arithmetic number, because the mean of its divisors is an integer number (5527270).

Almost surely, 2^28425948 is an apocalyptic number.

It is an amenable number.

28425948 is an abundant number, since it is smaller than the sum of its proper divisors (37901292).

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

28425948 is a wasteful number, since it uses less digits than its factorization.

28425948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368836 (or 2368834 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 28425948 is about 5331.5990096781. The cubic root of 28425948 is about 305.1909509274.

The spelling of 28425948 in words is "twenty-eight million, four hundred twenty-five thousand, nine hundred forty-eight".