28925358 has 64 divisors (see below), whose sum is σ = 72811008. Its totient is φ = 7441920.

The previous prime is 28925341. The next prime is 28925389. The reversal of 28925358 is 85352982.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63066 + ... + 63522.

It is an arithmetic number, because the mean of its divisors is an integer number (1137672).

Almost surely, 2^28925358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28925358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36405504).

28925358 is an abundant number, since it is smaller than the sum of its proper divisors (43885650).

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

28925358 is a wasteful number, since it uses less digits than its factorization.

28925358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its digits is 172800, while the sum is 42.

The square root of 28925358 is about 5378.2300062381. The cubic root of 28925358 is about 306.9678654379.

The spelling of 28925358 in words is "twenty-eight million, nine hundred twenty-five thousand, three hundred fifty-eight".