427657486 has 4 divisors (see below), whose sum is σ = 641486232. Its totient is φ = 213828742.

The previous prime is 427657463. The next prime is 427657487. The reversal of 427657486 is 684756724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427657487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106914370 + ... + 106914373.

It is an arithmetic number, because the mean of its divisors is an integer number (160371558).

Almost surely, 2^427657486 is an apocalyptic number.

427657486 is a deficient number, since it is larger than the sum of its proper divisors (213828746).

427657486 is a wasteful number, since it uses less digits than its factorization.

427657486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213828745.

The product of its digits is 2257920, while the sum is 49.

The square root of 427657486 is about 20679.8811892138. The cubic root of 427657486 is about 753.4111205255.

The spelling of 427657486 in words is "four hundred twenty-seven million, six hundred fifty-seven thousand, four hundred eighty-six".