418628 has 12 divisors (see below), whose sum is σ = 837312. Its totient is φ = 179400.

The previous prime is 418603. The next prime is 418631. The reversal of 418628 is 826814.

418628 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 418628.

It is an unprimeable number.

418628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7448 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (69776).

2⁴¹⁸⁶²⁸ is an apocalyptic number.

It is an amenable number.

418628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

418628 is a wasteful number, since it uses less digits than its factorization.

418628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14962 (or 14960 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 418628 is about 647.0146829864. The cubic root of 418628 is about 74.8070894174.

The spelling of 418628 in words is "four hundred eighteen thousand, six hundred twenty-eight".