4139224 has 8 divisors (see below), whose sum is σ = 7761060. Its totient is φ = 2069608.

The previous prime is 4139221. The next prime is 4139249. The reversal of 4139224 is 4229314.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258694 + ... + 258709.

Almost surely, 2^4139224 is an apocalyptic number.

It is an amenable number.

4139224 is a deficient number, since it is larger than the sum of its proper divisors (3621836).

4139224 is a wasteful number, since it uses less digits than its factorization.

4139224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517409 (or 517405 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 4139224 is about 2034.5082944043. The cubic root of 4139224 is about 160.5608442885.

The spelling of 4139224 in words is "four million, one hundred thirty-nine thousand, two hundred twenty-four".