426402479 has 4 divisors (see below), whose sum is σ = 427335984. Its totient is φ = 425468976.

The previous prime is 426402439. The next prime is 426402481. The reversal of 426402479 is 974204624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426402479 - 2¹⁶ = 426336943 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 (426402409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466067 + ... + 466980.

It is an arithmetic number, because the mean of its divisors is an integer number (106833996).

Almost surely, 2^426402479 is an apocalyptic number.

426402479 is a deficient number, since it is larger than the sum of its proper divisors (933505).

426402479 is an equidigital number, since it uses as much as digits as its factorization.

426402479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933504.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 426402479 is about 20649.5152243340. The cubic root of 426402479 is about 752.6734097032.

The spelling of 426402479 in words is "four hundred twenty-six million, four hundred two thousand, four hundred seventy-nine".