427588493 has 4 divisors (see below), whose sum is σ = 428040960. Its totient is φ = 427136028.

The previous prime is 427588417. The next prime is 427588501. The reversal of 427588493 is 394885724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427588493 - 2¹² = 427584397 is a prime.

It is a super-2 number, since 2×427588493² = 365663838692022098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427588393) 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, 224813 + ... + 226706.

It is an arithmetic number, because the mean of its divisors is an integer number (107010240).

Almost surely, 2^427588493 is an apocalyptic number.

It is an amenable number.

427588493 is a deficient number, since it is larger than the sum of its proper divisors (452467).

427588493 is an equidigital number, since it uses as much as digits as its factorization.

427588493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452466.

The product of its digits is 1935360, while the sum is 50.

The square root of 427588493 is about 20678.2130030619. The cubic root of 427588493 is about 753.3706029847.

The spelling of 427588493 in words is "four hundred twenty-seven million, five hundred eighty-eight thousand, four hundred ninety-three".