2590993 has 4 divisors (see below), whose sum is σ = 2594340. Its totient is φ = 2587648.

The previous prime is 2590979. The next prime is 2590997. The reversal of 2590993 is 3990952.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 1830609 = 872^2 + 1353^2 .

It is a cyclic number.

It is not a de Polignac number, because 2590993 - 2¹⁷ = 2459921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2590997) 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, 153 + ... + 2281.

It is an arithmetic number, because the mean of its divisors is an integer number (648585).

2^2590993 is an apocalyptic number.

It is an amenable number.

2590993 is a deficient number, since it is larger than the sum of its proper divisors (3347).

2590993 is a wasteful number, since it uses less digits than its factorization.

2590993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 2590993 is about 1609.6561744671. The cubic root of 2590993 is about 137.3479178016.

The spelling of 2590993 in words is "two million, five hundred ninety thousand, nine hundred ninety-three".