4139994 has 16 divisors (see below), whose sum is σ = 8316000. Its totient is φ = 1374000.

The previous prime is 4139983. The next prime is 4139999. The reversal of 4139994 is 4999314.

It is not an unprimeable number, because it can be changed into a prime (4139999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (519750).

Almost surely, 2^4139994 is an apocalyptic number.

4139994 is an abundant number, since it is smaller than the sum of its proper divisors (4176006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4139994 is a wasteful number, since it uses less digits than its factorization.

4139994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005.

The product of its digits is 34992, while the sum is 39.

The square root of 4139994 is about 2034.6975205175. The cubic root of 4139994 is about 160.5707997926.

The spelling of 4139994 in words is "four million, one hundred thirty-nine thousand, nine hundred ninety-four".