1406418 has 48 divisors (see below), whose sum is σ = 3250080. Its totient is φ = 404352.

The previous prime is 1406417. The next prime is 1406429. The reversal of 1406418 is 8146041.

It is a super-3 number, since 3×1406418³ = 8345733316208599896, which contains 333 as substring.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1406417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19230 + ... + 19302.

It is an arithmetic number, because the mean of its divisors is an integer number (67710).

2^1406418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1625040).

1406418 is an abundant number, since it is smaller than the sum of its proper divisors (1843662).

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

1406418 is a wasteful number, since it uses less digits than its factorization.

1406418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 110 counting only the distinct ones).

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

The square root of 1406418 is about 1185.9249554673. The cubic root of 1406418 is about 112.0395799737.

The spelling of 1406418 in words is "one million, four hundred six thousand, four hundred eighteen".