4023279 has 24 divisors (see below), whose sum is σ = 6329232. Its totient is φ = 2448000.

The previous prime is 4023277. The next prime is 4023281. The reversal of 4023279 is 9723204.

It is an interprime number because it is at equal distance from previous prime (4023277) and next prime (4023281).

It is not a de Polignac number, because 4023279 - 2¹ = 4023277 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15904 + ... + 16154.

It is an arithmetic number, because the mean of its divisors is an integer number (263718).

Almost surely, 2^4023279 is an apocalyptic number.

4023279 is a deficient number, since it is larger than the sum of its proper divisors (2305953).

4023279 is a wasteful number, since it uses less digits than its factorization.

4023279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4023279 is about 2005.8113071772. The cubic root of 4023279 is about 159.0474523136.

The spelling of 4023279 in words is "four million, twenty-three thousand, two hundred seventy-nine".