234838631 has 4 divisors (see below), whose sum is σ = 236136264. Its totient is φ = 233541000.

The previous prime is 234838619. The next prime is 234838657. The reversal of 234838631 is 136838432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234838631 - 2¹⁰ = 234837607 is a prime.

It is a super-2 number, since 2×234838631² = 110298365219908322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234838691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648545 + ... + 648906.

It is an arithmetic number, because the mean of its divisors is an integer number (59034066).

Almost surely, 2^234838631 is an apocalyptic number.

234838631 is a deficient number, since it is larger than the sum of its proper divisors (1297633).

234838631 is a wasteful number, since it uses less digits than its factorization.

234838631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297632.

The product of its digits is 82944, while the sum is 38.

The square root of 234838631 is about 15324.4455364623. The cubic root of 234838631 is about 616.9592974261.

The spelling of 234838631 in words is "two hundred thirty-four million, eight hundred thirty-eight thousand, six hundred thirty-one".