718416 has 40 divisors (see below), whose sum is σ = 2063360. Its totient is φ = 239328.

The previous prime is 718411. The next prime is 718423. The reversal of 718416 is 614817.

It is a happy number.

718416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×718416² = 1032243098112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 718416.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 718416.

It is not an unprimeable number, because it can be changed into a prime (718411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (51584).

2⁷¹⁸⁴¹⁶ is an apocalyptic number.

It is an amenable number.

718416 is an abundant number, since it is smaller than the sum of its proper divisors (1344944).

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

718416 is a wasteful number, since it uses less digits than its factorization.

718416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1668 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 718416 is about 847.5942425477. The cubic root of 718416 is about 89.5623194025.

The spelling of 718416 in words is "seven hundred eighteen thousand, four hundred sixteen".