2863890446 has 4 divisors (see below), whose sum is σ = 4295835672. Its totient is φ = 1431945222.

The previous prime is 2863890443. The next prime is 2863890473. The reversal of 2863890446 is 6440983682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2863890394 and 2863890403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863890443) 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 as a sum of consecutive naturals, namely, 715972610 + ... + 715972613.

It is an arithmetic number, because the mean of its divisors is an integer number (1073958918).

Almost surely, 2^2863890446 is an apocalyptic number.

2863890446 is a deficient number, since it is larger than the sum of its proper divisors (1431945226).

2863890446 is a wasteful number, since it uses less digits than its factorization.

2863890446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431945225.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 2863890446 is about 53515.3290749482. The cubic root of 2863890446 is about 1420.0995840363.

The spelling of 2863890446 in words is "two billion, eight hundred sixty-three million, eight hundred ninety thousand, four hundred forty-six".