2863456 has 24 divisors (see below), whose sum is σ = 5771304. Its totient is φ = 1397760.

The previous prime is 2863453. The next prime is 2863457. The reversal of 2863456 is 6543682.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹⁹ + 8⁵ + 6⁵ + 3³ + 4⁸ + 5⁹ + 6⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863453) 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, 336 + ... + 2416.

It is an arithmetic number, because the mean of its divisors is an integer number (240471).

2^2863456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2863456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2885652).

2863456 is an abundant number, since it is smaller than the sum of its proper divisors (2907848).

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

2863456 is a wasteful number, since it uses less digits than its factorization.

2863456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2126 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 2863456 is about 1692.1749318555. The cubic root of 2863456 is about 142.0027771724.

The spelling of 2863456 in words is "two million, eight hundred sixty-three thousand, four hundred fifty-six".