2864623 has 2 divisors, whose sum is σ = 2864624. Its totient is φ = 2864622.

The previous prime is 2864599. The next prime is 2864633. The reversal of 2864623 is 3264682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2864623 - 2¹³ = 2856431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432311 + 1432312.

It is an arithmetic number, because the mean of its divisors is an integer number (1432312).

2^2864623 is an apocalyptic number.

2864623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864623 is an equidigital number, since it uses as much as digits as its factorization.

2864623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 2864623 is about 1692.5197192352. The cubic root of 2864623 is about 142.0220656049.

The spelling of 2864623 in words is "two million, eight hundred sixty-four thousand, six hundred twenty-three".