2450839 has 4 divisors (see below), whose sum is σ = 2595024. Its totient is φ = 2306656.

The previous prime is 2450837. The next prime is 2450863. The reversal of 2450839 is 9380542.

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 2450839 - 2¹ = 2450837 is a prime.

It is a super-2 number, since 2×2450839² = 12013223607842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2450839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450831) 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, 72067 + ... + 72100.

It is an arithmetic number, because the mean of its divisors is an integer number (648756).

2^2450839 is an apocalyptic number.

2450839 is a deficient number, since it is larger than the sum of its proper divisors (144185).

2450839 is a wasteful number, since it uses less digits than its factorization.

2450839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144184.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2450839 is about 1565.5155700280. The cubic root of 2450839 is about 134.8253617453.

The spelling of 2450839 in words is "two million, four hundred fifty thousand, eight hundred thirty-nine".