2450389 has 4 divisors (see below), whose sum is σ = 2453580. Its totient is φ = 2447200.

The previous prime is 2450387. The next prime is 2450417. The reversal of 2450389 is 9830542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9830542 = 2 ⋅4915271.

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 1416100 = 1017^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2450389 - 2¹ = 2450387 is a prime.

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 2450389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450381) 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, 339 + ... + 2239.

It is an arithmetic number, because the mean of its divisors is an integer number (613395).

2^2450389 is an apocalyptic number.

It is an amenable number.

2450389 is a deficient number, since it is larger than the sum of its proper divisors (3191).

2450389 is a wasteful number, since it uses less digits than its factorization.

2450389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190.

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

The square root of 2450389 is about 1565.3718408097. The cubic root of 2450389 is about 134.8171094521.

The spelling of 2450389 in words is "two million, four hundred fifty thousand, three hundred eighty-nine".