426628662 has 8 divisors (see below), whose sum is σ = 853257336. Its totient is φ = 142209552.

The previous prime is 426628661. The next prime is 426628663. The reversal of 426628662 is 266826624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (426628661) and next prime (426628663).

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

426628662 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426628661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35552383 + ... + 35552394.

It is an arithmetic number, because the mean of its divisors is an integer number (106657167).

Almost surely, 2^426628662 is an apocalyptic number.

426628662 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.

426628662 is a wasteful number, since it uses less digits than its factorization.

426628662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71104782.

The product of its digits is 331776, while the sum is 42.

The square root of 426628662 is about 20654.9912127795. The cubic root of 426628662 is about 752.8064700907.

The spelling of 426628662 in words is "four hundred twenty-six million, six hundred twenty-eight thousand, six hundred sixty-two".