4138672 has 20 divisors (see below), whose sum is σ = 8236576. Its totient is φ = 2013120.

The previous prime is 4138649. The next prime is 4138681. The reversal of 4138672 is 2768314.

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, 2904 + ... + 4087.

Almost surely, 2^4138672 is an apocalyptic number.

It is an amenable number.

4138672 is a deficient number, since it is larger than the sum of its proper divisors (4097904).

4138672 is a wasteful number, since it uses less digits than its factorization.

4138672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036 (or 7030 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 4138672 is about 2034.3726305670. The cubic root of 4138672 is about 160.5537065959.

It can be divided in two parts, 41386 and 72, that multiplied together give a palindrome (2979792).

The spelling of 4138672 in words is "four million, one hundred thirty-eight thousand, six hundred seventy-two".