2864436 has 12 divisors (see below), whose sum is σ = 6683712. Its totient is φ = 954808.

The previous prime is 2864423. The next prime is 2864441. The reversal of 2864436 is 6344682.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2864397 and 2864406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119340 + ... + 119363.

It is an arithmetic number, because the mean of its divisors is an integer number (556976).

2^2864436 is an apocalyptic number.

It is an amenable number.

2864436 is an abundant number, since it is smaller than the sum of its proper divisors (3819276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2864436 is a wasteful number, since it uses less digits than its factorization.

2864436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238710 (or 238708 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 2864436 is about 1692.4644752549. The cubic root of 2864436 is about 142.0189751803.

It can be divided in two parts, 28644 and 36, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 2864436 in words is "two million, eight hundred sixty-four thousand, four hundred thirty-six".