234021855 has 16 divisors (see below), whose sum is σ = 384555744. Its totient is φ = 121438080.

The previous prime is 234021833. The next prime is 234021877. The reversal of 234021855 is 558120432.

It is an interprime number because it is at equal distance from previous prime (234021833) and next prime (234021877).

It is not a de Polignac number, because 234021855 - 2¹⁵ = 233989087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210276 + ... + 211385.

It is an arithmetic number, because the mean of its divisors is an integer number (24034734).

Almost surely, 2^234021855 is an apocalyptic number.

234021855 is a deficient number, since it is larger than the sum of its proper divisors (150533889).

234021855 is a wasteful number, since it uses less digits than its factorization.

234021855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421706.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 234021855 is about 15297.7728771217. The cubic root of 234021855 is about 616.2431987586.

The spelling of 234021855 in words is "two hundred thirty-four million, twenty-one thousand, eight hundred fifty-five".