426700506 has 8 divisors (see below), whose sum is σ = 853401024. Its totient is φ = 142233500.

The previous prime is 426700487. The next prime is 426700507. The reversal of 426700506 is 605007624.

It is a sphenic number, since it is the product of 3 distinct primes.

426700506 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426700507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35558370 + ... + 35558381.

It is an arithmetic number, because the mean of its divisors is an integer number (106675128).

Almost surely, 2^426700506 is an apocalyptic number.

426700506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

426700506 is a wasteful number, since it uses less digits than its factorization.

426700506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71116756.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 426700506 is about 20656.7302833725. The cubic root of 426700506 is about 752.8487250986.

The spelling of 426700506 in words is "four hundred twenty-six million, seven hundred thousand, five hundred six".