4389688 has 16 divisors (see below), whose sum is σ = 8588880. Its totient is φ = 2099328.

The previous prime is 4389677. The next prime is 4389691. The reversal of 4389688 is 8869834.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 11745 + ... + 12112.

It is an arithmetic number, because the mean of its divisors is an integer number (536805).

Almost surely, 2^4389688 is an apocalyptic number.

It is an amenable number.

4389688 is a deficient number, since it is larger than the sum of its proper divisors (4199192).

4389688 is a wasteful number, since it uses less digits than its factorization.

4389688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23886 (or 23882 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 4389688 is about 2095.1582279150. The cubic root of 4389688 is about 163.7361412431.

It can be divided in two parts, 438968 and 8, that added together give a cube (438976 = 76³).

The spelling of 4389688 in words is "four million, three hundred eighty-nine thousand, six hundred eighty-eight".