1234431404 has 24 divisors (see below), whose sum is σ = 2289058128. Its totient is φ = 580469760.

The previous prime is 1234431397. The next prime is 1234431449. The reversal of 1234431404 is 4041344321.

It is a super-2 number, since 2×1234431404² = 3047641782362822432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94724 + ... + 106964.

It is an arithmetic number, because the mean of its divisors is an integer number (95377422).

Almost surely, 2^1234431404 is an apocalyptic number.

It is an amenable number.

1234431404 is a deficient number, since it is larger than the sum of its proper divisors (1054626724).

1234431404 is a wasteful number, since it uses less digits than its factorization.

1234431404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13745 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1234431404 is about 35134.4760029234. The cubic root of 1234431404 is about 1072.7264454487.

Adding to 1234431404 its reverse (4041344321), we get a palindrome (5275775725).

The spelling of 1234431404 in words is "one billion, two hundred thirty-four million, four hundred thirty-one thousand, four hundred four".