2408993 has 2 divisors, whose sum is σ = 2408994. Its totient is φ = 2408992.

The previous prime is 2408983. The next prime is 2408999. The reversal of 2408993 is 3998042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2408704 + 289 = 1552^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 2408993 - 2²⁰ = 1360417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2408999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204496 + 1204497.

It is an arithmetic number, because the mean of its divisors is an integer number (1204497).

2^2408993 is an apocalyptic number.

It is an amenable number.

2408993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2408993 is an equidigital number, since it uses as much as digits as its factorization.

2408993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2408993 is about 1552.0931028775. The cubic root of 2408993 is about 134.0536096477.

The spelling of 2408993 in words is "two million, four hundred eight thousand, nine hundred ninety-three".