427997894 has 8 divisors (see below), whose sum is σ = 642324000. Its totient is φ = 213889896.

The previous prime is 427997891. The next prime is 427997897. The reversal of 427997894 is 498799724.

It is an interprime number because it is at equal distance from previous prime (427997891) and next prime (427997897).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427997891) 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, 49529 + ... + 57524.

It is an arithmetic number, because the mean of its divisors is an integer number (80290500).

Almost surely, 2^427997894 is an apocalyptic number.

427997894 is a deficient number, since it is larger than the sum of its proper divisors (214326106).

427997894 is a wasteful number, since it uses less digits than its factorization.

427997894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109054.

The product of its digits is 9144576, while the sum is 59.

The square root of 427997894 is about 20688.1099668384. The cubic root of 427997894 is about 753.6109682723.

The spelling of 427997894 in words is "four hundred twenty-seven million, nine hundred ninety-seven thousand, eight hundred ninety-four".