4042319 has 4 divisors (see below), whose sum is σ = 4218096. Its totient is φ = 3866544.

The previous prime is 4042309. The next prime is 4042327. The reversal of 4042319 is 9132404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4042319 - 2⁴ = 4042303 is a prime.

It is a super-2 number, since 2×4042319² = 32680685795522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 175753 = 4042319 / (4 + 0 + 4 + 2 + 3 + 1 + 9).

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 4042294 and 4042303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042309) 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, 87854 + ... + 87899.

It is an arithmetic number, because the mean of its divisors is an integer number (1054524).

Almost surely, 2^4042319 is an apocalyptic number.

4042319 is a deficient number, since it is larger than the sum of its proper divisors (175777).

4042319 is a wasteful number, since it uses less digits than its factorization.

4042319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175776.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4042319 is about 2010.5519142763. The cubic root of 4042319 is about 159.2979527113.

The spelling of 4042319 in words is "four million, forty-two thousand, three hundred nineteen".