117236490 has 64 divisors (see below), whose sum is σ = 329066496. Its totient is φ = 26171712.

The previous prime is 117236401. The next prime is 117236491. The reversal of 117236490 is 94632711.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117236491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2539 + ... + 15521.

It is an arithmetic number, because the mean of its divisors is an integer number (5141664).

Almost surely, 2^117236490 is an apocalyptic number.

117236490 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 117236490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164533248).

117236490 is an abundant number, since it is smaller than the sum of its proper divisors (211830006).

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

117236490 is a wasteful number, since it uses less digits than its factorization.

117236490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 117236490 is about 10827.5800620453. The cubic root of 117236490 is about 489.4266374203.

The spelling of 117236490 in words is "one hundred seventeen million, two hundred thirty-six thousand, four hundred ninety".