427199684 has 12 divisors (see below), whose sum is σ = 747752208. Its totient is φ = 213556200.

The previous prime is 427199683. The next prime is 427199693. The reversal of 427199684 is 486991724.

It is not an unprimeable number, because it can be changed into a prime (427199683) 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, 22439 + ... + 36849.

It is an arithmetic number, because the mean of its divisors is an integer number (62312684).

Almost surely, 2^427199684 is an apocalyptic number.

It is an amenable number.

427199684 is a deficient number, since it is larger than the sum of its proper divisors (320552524).

427199684 is a wasteful number, since it uses less digits than its factorization.

427199684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21826 (or 21824 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 427199684 is about 20668.8094480548. The cubic root of 427199684 is about 753.1421854724.

The spelling of 427199684 in words is "four hundred twenty-seven million, one hundred ninety-nine thousand, six hundred eighty-four".