404432112 has 40 divisors (see below), whose sum is σ = 1194038656. Its totient is φ = 115551936.

The previous prime is 404432111. The next prime is 404432137. The reversal of 404432112 is 211234404.

404432112 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404432111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601498 + ... + 602169.

Almost surely, 2^404432112 is an apocalyptic number.

404432112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

404432112 is an abundant number, since it is smaller than the sum of its proper divisors (789606544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404432112 is a wasteful number, since it uses less digits than its factorization.

404432112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203685 (or 1203679 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 404432112 is about 20110.4975572461. The cubic root of 404432112 is about 739.5176501119.

Adding to 404432112 its reverse (211234404), we get a palindrome (615666516).

The spelling of 404432112 in words is "four hundred four million, four hundred thirty-two thousand, one hundred twelve".