28153926 has 16 divisors (see below), whose sum is σ = 62564400. Its totient is φ = 9384624.

The previous prime is 28153913. The next prime is 28153927. The reversal of 28153926 is 62935182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28153927) 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, 260631 + ... + 260738.

It is an arithmetic number, because the mean of its divisors is an integer number (3910275).

Almost surely, 2^28153926 is an apocalyptic number.

28153926 is an abundant number, since it is smaller than the sum of its proper divisors (34410474).

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

28153926 is a wasteful number, since it uses less digits than its factorization.

28153926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521380 (or 521374 counting only the distinct ones).

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

The square root of 28153926 is about 5306.0273274833. The cubic root of 28153926 is about 304.2143211088.

The spelling of 28153926 in words is "twenty-eight million, one hundred fifty-three thousand, nine hundred twenty-six".