4139830 has 32 divisors (see below), whose sum is σ = 7768224. Its totient is φ = 1587456.

The previous prime is 4139827. The next prime is 4139831. The reversal of 4139830 is 389314.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38637 + ... + 38743.

It is an arithmetic number, because the mean of its divisors is an integer number (242757).

Almost surely, 2^4139830 is an apocalyptic number.

4139830 is a deficient number, since it is larger than the sum of its proper divisors (3628394).

4139830 is a wasteful number, since it uses less digits than its factorization.

4139830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4139830 is about 2034.6572192878. The cubic root of 4139830 is about 160.5686795030.

The spelling of 4139830 in words is "four million, one hundred thirty-nine thousand, eight hundred thirty".