427283491 has 8 divisors (see below), whose sum is σ = 452649600. Its totient is φ = 401943168.

The previous prime is 427283459. The next prime is 427283497. The reversal of 427283491 is 194382724.

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 427283491 - 2⁵ = 427283459 is a prime.

It is a super-2 number, since 2×427283491² = 365142363362294162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427283497) 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, 35545 + ... + 46021.

It is an arithmetic number, because the mean of its divisors is an integer number (56581200).

Almost surely, 2^427283491 is an apocalyptic number.

427283491 is a deficient number, since it is larger than the sum of its proper divisors (25366109).

427283491 is a wasteful number, since it uses less digits than its factorization.

427283491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12893.

The product of its digits is 96768, while the sum is 40.

The square root of 427283491 is about 20670.8367271381. The cubic root of 427283491 is about 753.1914321225.

The spelling of 427283491 in words is "four hundred twenty-seven million, two hundred eighty-three thousand, four hundred ninety-one".