1418406 has 16 divisors (see below), whose sum is σ = 3094848. Its totient is φ = 429800.

The previous prime is 1418399. The next prime is 1418423. The reversal of 1418406 is 6048141.

It is a super-3 number, since 3×1418406³ = 8560969185333802248, which contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 10680 + ... + 10811.

It is an arithmetic number, because the mean of its divisors is an integer number (193428).

2^1418406 is an apocalyptic number.

1418406 is an abundant number, since it is smaller than the sum of its proper divisors (1676442).

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

1418406 is a wasteful number, since it uses less digits than its factorization.

1418406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21507.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1418406 is about 1190.9685134377. The cubic root of 1418406 is about 112.3570134039.

The spelling of 1418406 in words is "one million, four hundred eighteen thousand, four hundred six".