426197407 has 8 divisors (see below), whose sum is σ = 428118480. Its totient is φ = 424281600.

The previous prime is 426197399. The next prime is 426197411. The reversal of 426197407 is 704791624.

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 426197407 - 2³ = 426197399 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 426197407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426191407) 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, 265407 + ... + 267007.

It is an arithmetic number, because the mean of its divisors is an integer number (53514810).

Almost surely, 2^426197407 is an apocalyptic number.

426197407 is a deficient number, since it is larger than the sum of its proper divisors (1921073).

426197407 is a wasteful number, since it uses less digits than its factorization.

426197407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 426197407 is about 20644.5490868655. The cubic root of 426197407 is about 752.5527279528.

The spelling of 426197407 in words is "four hundred twenty-six million, one hundred ninety-seven thousand, four hundred seven".