418421859 has 4 divisors (see below), whose sum is σ = 557895816. Its totient is φ = 278947904.

The previous prime is 418421837. The next prime is 418421963. The reversal of 418421859 is 958124814.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 418421859 - 2⁵ = 418421827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 418421859.

It is not an unprimeable number, because it can be changed into a prime (418420859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69736974 + ... + 69736979.

It is an arithmetic number, because the mean of its divisors is an integer number (139473954).

Almost surely, 2^418421859 is an apocalyptic number.

418421859 is a deficient number, since it is larger than the sum of its proper divisors (139473957).

418421859 is a wasteful number, since it uses less digits than its factorization.

418421859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139473956.

The product of its digits is 92160, while the sum is 42.

The square root of 418421859 is about 20455.3625976173. The cubic root of 418421859 is about 747.9480855379.

The spelling of 418421859 in words is "four hundred eighteen million, four hundred twenty-one thousand, eight hundred fifty-nine".