233975028 has 72 divisors (see below), whose sum is σ = 639908416. Its totient is φ = 65180160.

The previous prime is 233975023. The next prime is 233975041. The reversal of 233975028 is 820579332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233975023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140376 + ... + 142032.

Almost surely, 2^233975028 is an apocalyptic number.

233975028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233975028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319954208).

233975028 is an abundant number, since it is smaller than the sum of its proper divisors (405933388).

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

233975028 is a wasteful number, since it uses less digits than its factorization.

233975028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 233975028 is about 15296.2422836460. The cubic root of 233975028 is about 616.2020932741.

The spelling of 233975028 in words is "two hundred thirty-three million, nine hundred seventy-five thousand, twenty-eight".