234500091 has 24 divisors (see below), whose sum is σ = 379599360. Its totient is φ = 126114432.

The previous prime is 234500069. The next prime is 234500099. The reversal of 234500091 is 190005432.

It is not a de Polignac number, because 234500091 - 2⁷ = 234499963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234500099) 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, 13251 + ... + 25388.

It is an arithmetic number, because the mean of its divisors is an integer number (15816640).

Almost surely, 2^234500091 is an apocalyptic number.

234500091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234500091 is a deficient number, since it is larger than the sum of its proper divisors (145099269).

234500091 is a wasteful number, since it uses less digits than its factorization.

234500091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38683 (or 38666 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 234500091 is about 15313.3958023686. The cubic root of 234500091 is about 616.6626882951.

The spelling of 234500091 in words is "two hundred thirty-four million, five hundred thousand, ninety-one".