4031979 has 8 divisors (see below), whose sum is σ = 6144000. Its totient is φ = 2303976.

The previous prime is 4031977. The next prime is 4031987. The reversal of 4031979 is 9791304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4031979 - 2¹ = 4031977 is a prime.

4031979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4031977) 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, 95979 + ... + 96020.

It is an arithmetic number, because the mean of its divisors is an integer number (768000).

Almost surely, 2^4031979 is an apocalyptic number.

4031979 is a deficient number, since it is larger than the sum of its proper divisors (2112021).

4031979 is a wasteful number, since it uses less digits than its factorization.

4031979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192009.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 4031979 is about 2007.9788345498. The cubic root of 4031979 is about 159.1620119920.

The spelling of 4031979 in words is "four million, thirty-one thousand, nine hundred seventy-nine".