1406718 has 24 divisors (see below), whose sum is σ = 3147456. Its totient is φ = 453600.

The previous prime is 1406707. The next prime is 1406771. The reversal of 1406718 is 8176041.

It is a happy number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1406691 and 1406700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703 + ... + 1818.

It is an arithmetic number, because the mean of its divisors is an integer number (131144).

2^1406718 is an apocalyptic number.

1406718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1406718 is an abundant number, since it is smaller than the sum of its proper divisors (1740738).

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

1406718 is a wasteful number, since it uses less digits than its factorization.

1406718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2557 counting only the distinct ones).

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

The square root of 1406718 is about 1186.0514322743. The cubic root of 1406718 is about 112.0475457146.

The spelling of 1406718 in words is "one million, four hundred six thousand, seven hundred eighteen".