418198956 has 24 divisors (see below), whose sum is σ = 1115197440. Its totient is φ = 119485392.

The previous prime is 418198943. The next prime is 418198973. The reversal of 418198956 is 659891814.

It is a junction number, because it is equal to n+sod(n) for n = 418198899 and 418198908.

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, 2489196 + ... + 2489363.

It is an arithmetic number, because the mean of its divisors is an integer number (46466560).

Almost surely, 2^418198956 is an apocalyptic number.

It is an amenable number.

418198956 is an abundant number, since it is smaller than the sum of its proper divisors (696998484).

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

418198956 is a wasteful number, since it uses less digits than its factorization.

418198956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978573 (or 4978571 counting only the distinct ones).

The product of its digits is 622080, while the sum is 51.

The square root of 418198956 is about 20449.9133494497. The cubic root of 418198956 is about 747.8152455324.

The spelling of 418198956 in words is "four hundred eighteen million, one hundred ninety-eight thousand, nine hundred fifty-six".