426424636 has 24 divisors (see below), whose sum is σ = 833019264. Its totient is φ = 189320880.

The previous prime is 426424601. The next prime is 426424637. The reversal of 426424636 is 636424624.

It is a junction number, because it is equal to n+sod(n) for n = 426424595 and 426424604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426424637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110800 + ... + 114583.

It is an arithmetic number, because the mean of its divisors is an integer number (34709136).

Almost surely, 2^426424636 is an apocalyptic number.

It is an amenable number.

426424636 is a deficient number, since it is larger than the sum of its proper divisors (406594628).

426424636 is a wasteful number, since it uses less digits than its factorization.

426424636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225441 (or 225439 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

The square root of 426424636 is about 20650.0517190636. The cubic root of 426424636 is about 752.6864464440.

It can be divided in two parts, 42642 and 4636, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 426424636 in words is "four hundred twenty-six million, four hundred twenty-four thousand, six hundred thirty-six".