403320112 has 20 divisors (see below), whose sum is σ = 841543360. Its totient is φ = 186147648.

The previous prime is 403320097. The next prime is 403320119. The reversal of 403320112 is 211023304.

It is a happy number.

It is a super-2 number, since 2×403320112² = 325334225487385088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (403320119) 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, 969312 + ... + 969727.

It is an arithmetic number, because the mean of its divisors is an integer number (42077168).

Almost surely, 2^403320112 is an apocalyptic number.

It is an amenable number.

403320112 is an abundant number, since it is smaller than the sum of its proper divisors (438223248).

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

403320112 is a wasteful number, since it uses less digits than its factorization.

403320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939060 (or 1939054 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 403320112 is about 20082.8312744991. The cubic root of 403320112 is about 738.8392515680.

Adding to 403320112 its reverse (211023304), we get a palindrome (614343416).

The spelling of 403320112 in words is "four hundred three million, three hundred twenty thousand, one hundred twelve".