404242234 has 16 divisors (see below), whose sum is σ = 661797216. Its totient is φ = 183660400.

The previous prime is 404242219. The next prime is 404242243. The reversal of 404242234 is 432242404.

It is a junction number, because it is equal to n+sod(n) for n = 404242199 and 404242208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83829 + ... + 88519.

It is an arithmetic number, because the mean of its divisors is an integer number (41362326).

Almost surely, 2^404242234 is an apocalyptic number.

404242234 is a deficient number, since it is larger than the sum of its proper divisors (257554982).

404242234 is a wasteful number, since it uses less digits than its factorization.

404242234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 404242234 is about 20105.7761352304. The cubic root of 404242234 is about 739.4018992364.

Adding to 404242234 its reverse (432242404), we get a palindrome (836484638).

The spelling of 404242234 in words is "four hundred four million, two hundred forty-two thousand, two hundred thirty-four".