113438406 has 24 divisors (see below), whose sum is σ = 230702472. Its totient is φ = 37185600.

The previous prime is 113438387. The next prime is 113438407. The reversal of 113438406 is 604834311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113438407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19786 + ... + 24866.

It is an arithmetic number, because the mean of its divisors is an integer number (9612603).

Almost surely, 2^113438406 is an apocalyptic number.

113438406 is an abundant number, since it is smaller than the sum of its proper divisors (117264066).

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

113438406 is an equidigital number, since it uses as much as digits as its factorization.

113438406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208 (or 5147 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 113438406 is about 10650.7467343844. The cubic root of 113438406 is about 484.0832307972.

The spelling of 113438406 in words is "one hundred thirteen million, four hundred thirty-eight thousand, four hundred six".