426398535 has 24 divisors (see below), whose sum is σ = 756282384. Its totient is φ = 222122880.

The previous prime is 426398527. The next prime is 426398593. The reversal of 426398535 is 535893624.

426398535 is a `hidden beast` number, since 4 + 2 + 639 + 8 + 5 + 3 + 5 = 666.

It is not a de Polignac number, because 426398535 - 2³ = 426398527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108246 + ... + 112115.

It is an arithmetic number, because the mean of its divisors is an integer number (31511766).

Almost surely, 2^426398535 is an apocalyptic number.

426398535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

426398535 is a deficient number, since it is larger than the sum of its proper divisors (329883849).

426398535 is a wasteful number, since it uses less digits than its factorization.

426398535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220415 (or 220412 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 426398535 is about 20649.4197255032. The cubic root of 426398535 is about 752.6710890842.

The spelling of 426398535 in words is "four hundred twenty-six million, three hundred ninety-eight thousand, five hundred thirty-five".