2024399 has 4 divisors (see below), whose sum is σ = 2180136. Its totient is φ = 1868664.

The previous prime is 2024387. The next prime is 2024413. The reversal of 2024399 is 9934202.

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 2024399 - 2⁴ = 2024383 is a prime.

It is a super-2 number, since 2×2024399² = 8196382622402, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2024329) 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, 77849 + ... + 77874.

It is an arithmetic number, because the mean of its divisors is an integer number (545034).

2^2024399 is an apocalyptic number.

2024399 is a deficient number, since it is larger than the sum of its proper divisors (155737).

2024399 is a wasteful number, since it uses less digits than its factorization.

2024399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155736.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2024399 is about 1422.8137615303. The cubic root of 2024399 is about 126.5023824326.

The spelling of 2024399 in words is "two million, twenty-four thousand, three hundred ninety-nine".