426443998 has 8 divisors (see below), whose sum is σ = 660300480. Its totient is φ = 206343840.

The previous prime is 426443959. The next prime is 426444001. The reversal of 426443998 is 899344624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3439003 + ... + 3439126.

It is an arithmetic number, because the mean of its divisors is an integer number (82537560).

Almost surely, 2^426443998 is an apocalyptic number.

426443998 is a deficient number, since it is larger than the sum of its proper divisors (233856482).

426443998 is a wasteful number, since it uses less digits than its factorization.

426443998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878162.

The product of its digits is 1492992, while the sum is 49.

The square root of 426443998 is about 20650.5205261272. The cubic root of 426443998 is about 752.6978382924.

The spelling of 426443998 in words is "four hundred twenty-six million, four hundred forty-three thousand, nine hundred ninety-eight".