426043979 has 8 divisors (see below), whose sum is σ = 434234880. Its totient is φ = 417928896.

The previous prime is 426043967. The next prime is 426044009. The reversal of 426043979 is 979340624.

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 426043979 - 2⁴ = 426043963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426043909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7544 + ... + 30149.

It is an arithmetic number, because the mean of its divisors is an integer number (54279360).

Almost surely, 2^426043979 is an apocalyptic number.

426043979 is a deficient number, since it is larger than the sum of its proper divisors (8190901).

426043979 is a wasteful number, since it uses less digits than its factorization.

426043979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37909.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 426043979 is about 20640.8328078108. The cubic root of 426043979 is about 752.4624125918.

The spelling of 426043979 in words is "four hundred twenty-six million, forty-three thousand, nine hundred seventy-nine".