426198390 has 32 divisors (see below), whose sum is σ = 1038147840. Its totient is φ = 111956064.

The previous prime is 426198389. The next prime is 426198391. The reversal of 426198390 is 93891624.

It is an interprime number because it is at equal distance from previous prime (426198389) and next prime (426198391).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426198391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104010 + ... + 108029.

It is an arithmetic number, because the mean of its divisors is an integer number (32442120).

Almost surely, 2^426198390 is an apocalyptic number.

426198390 is an abundant number, since it is smaller than the sum of its proper divisors (611949450).

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

426198390 is a wasteful number, since it uses less digits than its factorization.

426198390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212116.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 426198390 is about 20644.5728945890. The cubic root of 426198390 is about 752.5533065257.

The spelling of 426198390 in words is "four hundred twenty-six million, one hundred ninety-eight thousand, three hundred ninety".