427594921 has 8 divisors (see below), whose sum is σ = 464959040. Its totient is φ = 390869712.

The previous prime is 427594919. The next prime is 427594949. The reversal of 427594921 is 129495724.

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 427594921 - 2¹ = 427594919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427594961) 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, 158331 + ... + 161008.

It is an arithmetic number, because the mean of its divisors is an integer number (58119880).

Almost surely, 2^427594921 is an apocalyptic number.

It is an amenable number.

427594921 is a deficient number, since it is larger than the sum of its proper divisors (37364119).

427594921 is a wasteful number, since it uses less digits than its factorization.

427594921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319455.

The product of its digits is 181440, while the sum is 43.

The square root of 427594921 is about 20678.3684317695. The cubic root of 427594921 is about 753.3743781424.

The spelling of 427594921 in words is "four hundred twenty-seven million, five hundred ninety-four thousand, nine hundred twenty-one".