426639104 has 18 divisors (see below), whose sum is σ = 851612160. Its totient is φ = 213319424.

The previous prime is 426639061. The next prime is 426639107. The reversal of 426639104 is 401936624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426639107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833024 + ... + 833535.

Almost surely, 2^426639104 is an apocalyptic number.

It is an amenable number.

426639104 is a deficient number, since it is larger than the sum of its proper divisors (424973056).

426639104 is an equidigital number, since it uses as much as digits as its factorization.

426639104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666575 (or 1666561 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 426639104 is about 20655.2439830664. The cubic root of 426639104 is about 752.8126118417.

The spelling of 426639104 in words is "four hundred twenty-six million, six hundred thirty-nine thousand, one hundred four".