426870829 has 32 divisors (see below), whose sum is σ = 541956096. Its totient is φ = 326598720.

The previous prime is 426870817. The next prime is 426870839. The reversal of 426870829 is 928078624.

It is not a de Polignac number, because 426870829 - 2⁵ = 426870797 is a prime.

It is a super-3 number, since 3×426870829³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426870839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1622952 + ... + 1623214.

It is an arithmetic number, because the mean of its divisors is an integer number (16936128).

Almost surely, 2^426870829 is an apocalyptic number.

It is an amenable number.

426870829 is a deficient number, since it is larger than the sum of its proper divisors (115085267).

426870829 is a wasteful number, since it uses less digits than its factorization.

426870829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 426870829 is about 20660.8525719536. The cubic root of 426870829 is about 752.9488815270.

The spelling of 426870829 in words is "four hundred twenty-six million, eight hundred seventy thousand, eight hundred twenty-nine".