426416634 has 24 divisors (see below), whose sum is σ = 1055889120. Its totient is φ = 121833288.

The previous prime is 426416629. The next prime is 426416651. The reversal of 426416634 is 436614624.

426416634 is a `hidden beast` number, since 4 + 2 + 6 + 4 + 16 + 634 = 666.

It is a super-2 number, since 2×426416634² = 363662291503779912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692004 + ... + 1692255.

It is an arithmetic number, because the mean of its divisors is an integer number (43995380).

Almost surely, 2^426416634 is an apocalyptic number.

426416634 is an abundant number, since it is smaller than the sum of its proper divisors (629472486).

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

426416634 is a wasteful number, since it uses less digits than its factorization.

426416634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384274 (or 3384271 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 426416634 is about 20649.8579656132. The cubic root of 426416634 is about 752.6817382775.

The spelling of 426416634 in words is "four hundred twenty-six million, four hundred sixteen thousand, six hundred thirty-four".