2863247 has 4 divisors (see below), whose sum is σ = 2987760. Its totient is φ = 2738736.

The previous prime is 2863229. The next prime is 2863277. The reversal of 2863247 is 7423682.

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

It is a cyclic number.

It is not a de Polignac number, because 2863247 - 2⁸ = 2862991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863207) 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, 62222 + ... + 62267.

It is an arithmetic number, because the mean of its divisors is an integer number (746940).

2^2863247 is an apocalyptic number.

2863247 is a deficient number, since it is larger than the sum of its proper divisors (124513).

2863247 is a wasteful number, since it uses less digits than its factorization.

2863247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124512.

The product of its digits is 16128, while the sum is 32.

The square root of 2863247 is about 1692.1131758839. The cubic root of 2863247 is about 141.9993222212. Note that the first 3 decimals are identical.

The spelling of 2863247 in words is "two million, eight hundred sixty-three thousand, two hundred forty-seven".