427231646 has 8 divisors (see below), whose sum is σ = 661520064. Its totient is φ = 206724960.

The previous prime is 427231583. The next prime is 427231657. The reversal of 427231646 is 646132724.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3445355 + ... + 3445478.

It is an arithmetic number, because the mean of its divisors is an integer number (82690008).

Almost surely, 2^427231646 is an apocalyptic number.

427231646 is a deficient number, since it is larger than the sum of its proper divisors (234288418).

427231646 is a wasteful number, since it uses less digits than its factorization.

427231646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890866.

The product of its digits is 48384, while the sum is 35.

The square root of 427231646 is about 20669.5826276197. The cubic root of 427231646 is about 753.1609677352.

The spelling of 427231646 in words is "four hundred twenty-seven million, two hundred thirty-one thousand, six hundred forty-six".