427388384 has 12 divisors (see below), whose sum is σ = 841420944. Its totient is φ = 213694176.

The previous prime is 427388371. The next prime is 427388407. The reversal of 427388384 is 483883724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6677912 + ... + 6677975.

It is an arithmetic number, because the mean of its divisors is an integer number (70118412).

Almost surely, 2^427388384 is an apocalyptic number.

It is an amenable number.

427388384 is a deficient number, since it is larger than the sum of its proper divisors (414032560).

427388384 is a wasteful number, since it uses less digits than its factorization.

427388384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13355897 (or 13355889 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The square root of 427388384 is about 20673.3737933604. The cubic root of 427388384 is about 753.2530602504.

The spelling of 427388384 in words is "four hundred twenty-seven million, three hundred eighty-eight thousand, three hundred eighty-four".