426986605 has 8 divisors (see below), whose sum is σ = 534661632. Its totient is φ = 326737488.

The previous prime is 426986597. The next prime is 426986627. The reversal of 426986605 is 506689624.

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 426986605 - 2³ = 426986597 is a prime.

It is a Duffinian number.

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, 1856349 + ... + 1856578.

It is an arithmetic number, because the mean of its divisors is an integer number (66832704).

Almost surely, 2^426986605 is an apocalyptic number.

It is an amenable number.

426986605 is a deficient number, since it is larger than the sum of its proper divisors (107675027).

426986605 is a wasteful number, since it uses less digits than its factorization.

426986605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712955.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 426986605 is about 20663.6542024880. The cubic root of 426986605 is about 753.0169470274.

The spelling of 426986605 in words is "four hundred twenty-six million, nine hundred eighty-six thousand, six hundred five".