116538420 has 24 divisors (see below), whose sum is σ = 326307744. Its totient is φ = 31076896.

The previous prime is 116538407. The next prime is 116538463. The reversal of 116538420 is 24835611.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971094 + ... + 971213.

It is an arithmetic number, because the mean of its divisors is an integer number (13596156).

Almost surely, 2^116538420 is an apocalyptic number.

116538420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116538420 is an abundant number, since it is smaller than the sum of its proper divisors (209769324).

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

116538420 is a wasteful number, since it uses less digits than its factorization.

116538420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942319 (or 1942317 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 116538420 is about 10795.2961978817. The cubic root of 116538420 is about 488.4532930944.

The spelling of 116538420 in words is "one hundred sixteen million, five hundred thirty-eight thousand, four hundred twenty".