117197400 has 48 divisors (see below), whose sum is σ = 363313800. Its totient is φ = 31252480.

The previous prime is 117197309. The next prime is 117197407. The reversal of 117197400 is 4791711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117197407) 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, 97065 + ... + 98264.

Almost surely, 2^117197400 is an apocalyptic number.

117197400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117197400 is an abundant number, since it is smaller than the sum of its proper divisors (246116400).

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

117197400 is a wasteful number, since it uses less digits than its factorization.

117197400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195348 (or 195339 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 117197400 is about 10825.7747990617. The cubic root of 117197400 is about 489.3722350922.

The spelling of 117197400 in words is "one hundred seventeen million, one hundred ninety-seven thousand, four hundred".