427594091 has 4 divisors (see below), whose sum is σ = 430464000. Its totient is φ = 424724184.

The previous prime is 427594051. The next prime is 427594093. The reversal of 427594091 is 190495724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427594091 - 2¹⁴ = 427577707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427594093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434731 + ... + 1435028.

It is an arithmetic number, because the mean of its divisors is an integer number (107616000).

Almost surely, 2^427594091 is an apocalyptic number.

427594091 is a deficient number, since it is larger than the sum of its proper divisors (2869909).

427594091 is a wasteful number, since it uses less digits than its factorization.

427594091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869908.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 427594091 is about 20678.3483624781. The cubic root of 427594091 is about 753.3738906864.

The spelling of 427594091 in words is "four hundred twenty-seven million, five hundred ninety-four thousand, ninety-one".