426887670 has 64 divisors (see below), whose sum is σ = 1153751040. Its totient is φ = 100147200.

The previous prime is 426887641. The next prime is 426887689. The reversal of 426887670 is 76788624.

It is a super-3 number, since 3×426887670³ (a number of 27 digits) contains 333 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 10635 + ... + 31094.

It is an arithmetic number, because the mean of its divisors is an integer number (18027360).

Almost surely, 2^426887670 is an apocalyptic number.

426887670 is an abundant number, since it is smaller than the sum of its proper divisors (726863370).

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

426887670 is a wasteful number, since it uses less digits than its factorization.

426887670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41781.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 426887670 is about 20661.2601261395. The cubic root of 426887670 is about 752.9587832306.

The spelling of 426887670 in words is "four hundred twenty-six million, eight hundred eighty-seven thousand, six hundred seventy".