117429438 has 64 divisors (see below), whose sum is σ = 286225920. Its totient is φ = 31352832.

The previous prime is 117429409. The next prime is 117429451. The reversal of 117429438 is 834924711.

It is a junction number, because it is equal to n+sod(n) for n = 117429396 and 117429405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115878 + ... + 116886.

It is an arithmetic number, because the mean of its divisors is an integer number (4472280).

Almost surely, 2^117429438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117429438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143112960).

117429438 is an abundant number, since it is smaller than the sum of its proper divisors (168796482).

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

117429438 is a wasteful number, since it uses less digits than its factorization.

117429438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its digits is 48384, while the sum is 39.

The square root of 117429438 is about 10836.4864231909. The cubic root of 117429438 is about 489.6949899662.

The spelling of 117429438 in words is "one hundred seventeen million, four hundred twenty-nine thousand, four hundred thirty-eight".