4239994 has 16 divisors (see below), whose sum is σ = 7163136. Its totient is φ = 1864800.

The previous prime is 4239979. The next prime is 4239997. The reversal of 4239994 is 4999324.

It is not an unprimeable number, because it can be changed into a prime (4239997) 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, 2427 + ... + 3790.

It is an arithmetic number, because the mean of its divisors is an integer number (447696).

Almost surely, 2^4239994 is an apocalyptic number.

4239994 is a deficient number, since it is larger than the sum of its proper divisors (2923142).

4239994 is a wasteful number, since it uses less digits than its factorization.

4239994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261.

The product of its digits is 69984, while the sum is 40.

The square root of 4239994 is about 2059.1245712681. The cubic root of 4239994 is about 161.8533703453.

The spelling of 4239994 in words is "four million, two hundred thirty-nine thousand, nine hundred ninety-four".