426431015 has 8 divisors (see below), whose sum is σ = 512859600. Its totient is φ = 340383232.

The previous prime is 426430973. The next prime is 426431029. The reversal of 426431015 is 510134624.

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 426431015 - 2⁸ = 426430759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92729 + ... + 97218.

It is an arithmetic number, because the mean of its divisors is an integer number (64107450).

Almost surely, 2^426431015 is an apocalyptic number.

426431015 is a deficient number, since it is larger than the sum of its proper divisors (86428585).

426431015 is a wasteful number, since it uses less digits than its factorization.

426431015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190401.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 426431015 is about 20650.2061733049. The cubic root of 426431015 is about 752.6901996378.

Adding to 426431015 its reverse (510134624), we get a palindrome (936565639).

The spelling of 426431015 in words is "four hundred twenty-six million, four hundred thirty-one thousand, fifteen".