426399635 has 16 divisors (see below), whose sum is σ = 519402240. Its totient is φ = 335996640.

The previous prime is 426399583. The next prime is 426399641. The reversal of 426399635 is 536993624.

It is not a de Polignac number, because 426399635 - 2¹⁰ = 426398611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426399635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155930 + ... + 158640.

It is an arithmetic number, because the mean of its divisors is an integer number (32462640).

Almost surely, 2^426399635 is an apocalyptic number.

426399635 is a deficient number, since it is larger than the sum of its proper divisors (93002605).

426399635 is a wasteful number, since it uses less digits than its factorization.

426399635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178.

The product of its digits is 1049760, while the sum is 47.

The square root of 426399635 is about 20649.4463606170. The cubic root of 426399635 is about 752.6717363171.

The spelling of 426399635 in words is "four hundred twenty-six million, three hundred ninety-nine thousand, six hundred thirty-five".