380117500 has 180 divisors, whose sum is σ = 1009645560. Its totient is φ = 124656000.

The previous prime is 380117473. The next prime is 380117509. The reversal of 380117500 is 5711083.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380117509) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3552447 + ... + 3552553.

It is an arithmetic number, because the mean of its divisors is an integer number (5609142).

Almost surely, 2^380117500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380117500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504822780).

380117500 is an abundant number, since it is smaller than the sum of its proper divisors (629528060).

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

380117500 is a wasteful number, since it uses less digits than its factorization.

380117500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 380117500 is about 19496.6022680876. The cubic root of 380117500 is about 724.3902919913.

Adding to 380117500 its reverse (5711083), we get a palindrome (385828583).

The spelling of 380117500 in words is "three hundred eighty million, one hundred seventeen thousand, five hundred".