918714420 has 144 divisors (see below), whose sum is σ = 3095305920. Its totient is φ = 226122624.

The previous prime is 918714373. The next prime is 918714421. The reversal of 918714420 is 24417819.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918714421) 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, 86227 + ... + 96293.

It is an arithmetic number, because the mean of its divisors is an integer number (21495180).

Almost surely, 2^918714420 is an apocalyptic number.

918714420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918714420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547652960).

918714420 is an abundant number, since it is smaller than the sum of its proper divisors (2176591500).

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

918714420 is a wasteful number, since it uses less digits than its factorization.

918714420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111 (or 10090 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 918714420 is about 30310.3022089850. The cubic root of 918714420 is about 972.1355930334.

The spelling of 918714420 in words is "nine hundred eighteen million, seven hundred fourteen thousand, four hundred twenty".