427231605 has 32 divisors (see below), whose sum is σ = 694886400. Its totient is φ = 224108352.

The previous prime is 427231583. The next prime is 427231657. The reversal of 427231605 is 506132724.

It is not a de Polignac number, because 427231605 - 2¹¹ = 427229557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410676 + ... + 411714.

It is an arithmetic number, because the mean of its divisors is an integer number (21715200).

Almost surely, 2^427231605 is an apocalyptic number.

It is an amenable number.

427231605 is a deficient number, since it is larger than the sum of its proper divisors (267654795).

427231605 is a wasteful number, since it uses less digits than its factorization.

427231605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 427231605 is about 20669.5816358242. The cubic root of 427231605 is about 753.1609436424.

The spelling of 427231605 in words is "four hundred twenty-seven million, two hundred thirty-one thousand, six hundred five".