2602389 has 4 divisors (see below), whose sum is σ = 3469856. Its totient is φ = 1734924.

The previous prime is 2602367. The next prime is 2602399. The reversal of 2602389 is 9832062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2602389 - 2⁷ = 2602261 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2602319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433729 + ... + 433734.

It is an arithmetic number, because the mean of its divisors is an integer number (867464).

2^2602389 is an apocalyptic number.

It is an amenable number.

2602389 is a deficient number, since it is larger than the sum of its proper divisors (867467).

2602389 is an equidigital number, since it uses as much as digits as its factorization.

2602389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867466.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2602389 is about 1613.1921770205. The cubic root of 2602389 is about 137.5489897060.

The spelling of 2602389 in words is "two million, six hundred two thousand, three hundred eighty-nine".