117429390 has 96 divisors (see below), whose sum is σ = 331321536. Its totient is φ = 28684800.

The previous prime is 117429383. The next prime is 117429391. The reversal of 117429390 is 93924711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117429391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195090 + ... + 195690.

It is an arithmetic number, because the mean of its divisors is an integer number (3451266).

Almost surely, 2^117429390 is an apocalyptic number.

117429390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117429390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165660768).

117429390 is an abundant number, since it is smaller than the sum of its proper divisors (213892146).

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

117429390 is a wasteful number, since it uses less digits than its factorization.

117429390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 117429390 is about 10836.4842084506. The cubic root of 117429390 is about 489.6949232442.

The spelling of 117429390 in words is "one hundred seventeen million, four hundred twenty-nine thousand, three hundred ninety".