234831406 has 4 divisors (see below), whose sum is σ = 352247112. Its totient is φ = 117415702.

The previous prime is 234831383. The next prime is 234831409. The reversal of 234831406 is 604138432.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234831409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58707850 + ... + 58707853.

It is an arithmetic number, because the mean of its divisors is an integer number (88061778).

Almost surely, 2^234831406 is an apocalyptic number.

234831406 is a deficient number, since it is larger than the sum of its proper divisors (117415706).

234831406 is a wasteful number, since it uses less digits than its factorization.

234831406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117415705.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 234831406 is about 15324.2098001822. The cubic root of 234831406 is about 616.9529702776.

Adding to 234831406 its reverse (604138432), we get a palindrome (838969838).

The spelling of 234831406 in words is "two hundred thirty-four million, eight hundred thirty-one thousand, four hundred six".