426620851 has 8 divisors (see below), whose sum is σ = 450942800. Its totient is φ = 402485760.

The previous prime is 426620839. The next prime is 426620861. The reversal of 426620851 is 158026624.

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

It is a cyclic number.

It is not a de Polignac number, because 426620851 - 2¹⁵ = 426588083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426620861) 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 7 ways as a sum of consecutive naturals, for example, 42006 + ... + 51163.

It is an arithmetic number, because the mean of its divisors is an integer number (56367850).

Almost surely, 2^426620851 is an apocalyptic number.

426620851 is a deficient number, since it is larger than the sum of its proper divisors (24321949).

426620851 is a wasteful number, since it uses less digits than its factorization.

426620851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93429.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 426620851 is about 20654.8021292870. The cubic root of 426620851 is about 752.8018757696.

The spelling of 426620851 in words is "four hundred twenty-six million, six hundred twenty thousand, eight hundred fifty-one".