25943928 has 32 divisors (see below), whose sum is σ = 65145600. Its totient is φ = 8609888.

The previous prime is 25943923. The next prime is 25943947. The reversal of 25943928 is 82934952.

It is a self number, because there is not a number n which added to its sum of digits gives 25943928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25943923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3475 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (2035800).

Almost surely, 2^25943928 is an apocalyptic number.

It is an amenable number.

25943928 is an abundant number, since it is smaller than the sum of its proper divisors (39201672).

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

25943928 is a wasteful number, since it uses less digits than its factorization.

25943928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771 (or 4767 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 25943928 is about 5093.5182339911. The cubic root of 25943928 is about 296.0364880756.

The spelling of 25943928 in words is "twenty-five million, nine hundred forty-three thousand, nine hundred twenty-eight".