2863493 has 2 divisors, whose sum is σ = 2863494. Its totient is φ = 2863492.

The previous prime is 2863457. The next prime is 2863517. The reversal of 2863493 is 3943682.

It is a happy number.

2863493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2505889 + 357604 = 1583^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 2863493 - 2¹⁰ = 2862469 is a prime.

It is a super-2 number, since 2×2863493² = 16399184322098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2863403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431746 + 1431747.

It is an arithmetic number, because the mean of its divisors is an integer number (1431747).

2^2863493 is an apocalyptic number.

It is an amenable number.

2863493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2863493 is an equidigital number, since it uses as much as digits as its factorization.

2863493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 2863493 is about 1692.1858644960. The cubic root of 2863493 is about 142.0033887970.

The spelling of 2863493 in words is "two million, eight hundred sixty-three thousand, four hundred ninety-three".