426566407 has 8 divisors (see below), whose sum is σ = 445775616. Its totient is φ = 407779512.

The previous prime is 426566389. The next prime is 426566429. The reversal of 426566407 is 704665624.

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 426566407 - 2⁷ = 426566279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426566407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426566447) 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, 103513 + ... + 107554.

It is an arithmetic number, because the mean of its divisors is an integer number (55721952).

Almost surely, 2^426566407 is an apocalyptic number.

426566407 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

426566407 is a deficient number, since it is larger than the sum of its proper divisors (19209209).

426566407 is a wasteful number, since it uses less digits than its factorization.

426566407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211157.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 426566407 is about 20653.4841370651. The cubic root of 426566407 is about 752.7698510113.

The spelling of 426566407 in words is "four hundred twenty-six million, five hundred sixty-six thousand, four hundred seven".