4064939 has 4 divisors (see below), whose sum is σ = 4069080. Its totient is φ = 4060800.

The previous prime is 4064933. The next prime is 4064971. The reversal of 4064939 is 9394604.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4064939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4064899 and 4064908.

It is not an unprimeable number, because it can be changed into a prime (4064933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 2870.

It is an arithmetic number, because the mean of its divisors is an integer number (1017270).

Almost surely, 2^4064939 is an apocalyptic number.

4064939 is a deficient number, since it is larger than the sum of its proper divisors (4141).

4064939 is a wasteful number, since it uses less digits than its factorization.

4064939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 4064939 is about 2016.1693877251. The cubic root of 4064939 is about 159.5945332432.

The spelling of 4064939 in words is "four million, sixty-four thousand, nine hundred thirty-nine".