426886251 has 8 divisors (see below), whose sum is σ = 620925504. Its totient is φ = 258718920.

The previous prime is 426886247. The next prime is 426886253. The reversal of 426886251 is 152688624.

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

It is not a de Polignac number, because 426886251 - 2² = 426886247 is a prime.

It is a super-3 number, since 3×426886251³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (426886253) 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, 6467941 + ... + 6468006.

It is an arithmetic number, because the mean of its divisors is an integer number (77615688).

Almost surely, 2^426886251 is an apocalyptic number.

426886251 is a deficient number, since it is larger than the sum of its proper divisors (194039253).

426886251 is a wasteful number, since it uses less digits than its factorization.

426886251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935961.

The product of its digits is 184320, while the sum is 42.

The square root of 426886251 is about 20661.2257864823. The cubic root of 426886251 is about 752.9579489364.

The spelling of 426886251 in words is "four hundred twenty-six million, eight hundred eighty-six thousand, two hundred fifty-one".