426406829 has 4 divisors (see below), whose sum is σ = 440161920. Its totient is φ = 412651740.

The previous prime is 426406811. The next prime is 426406853. The reversal of 426406829 is 928604624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426406829 - 2⁸ = 426406573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426406229) 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, 6877499 + ... + 6877560.

It is an arithmetic number, because the mean of its divisors is an integer number (110040480).

Almost surely, 2^426406829 is an apocalyptic number.

It is an amenable number.

426406829 is a deficient number, since it is larger than the sum of its proper divisors (13755091).

426406829 is a wasteful number, since it uses less digits than its factorization.

426406829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755090.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 426406829 is about 20649.6205534145. The cubic root of 426406829 is about 752.6759691928.

The spelling of 426406829 in words is "four hundred twenty-six million, four hundred six thousand, eight hundred twenty-nine".