234328491 has 8 divisors (see below), whose sum is σ = 347153360. Its totient is φ = 156218976.

The previous prime is 234328481. The next prime is 234328513. The reversal of 234328491 is 194823432.

It is not a de Polignac number, because 234328491 - 2¹⁴ = 234312107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234328481) 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, 4339390 + ... + 4339443.

It is an arithmetic number, because the mean of its divisors is an integer number (43394170).

Almost surely, 2^234328491 is an apocalyptic number.

234328491 is a deficient number, since it is larger than the sum of its proper divisors (112824869).

234328491 is an equidigital number, since it uses as much as digits as its factorization.

234328491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678842 (or 8678836 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 234328491 is about 15307.7918394522. The cubic root of 234328491 is about 616.5122332865.

The spelling of 234328491 in words is "two hundred thirty-four million, three hundred twenty-eight thousand, four hundred ninety-one".