2864551 has 8 divisors (see below), whose sum is σ = 3054240. Its totient is φ = 2677248.

The previous prime is 2864539. The next prime is 2864557. The reversal of 2864551 is 1554682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2864551 - 2⁷ = 2864423 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 (2864557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (381780).

2^2864551 is an apocalyptic number.

2864551 is a deficient number, since it is larger than the sum of its proper divisors (189689).

2864551 is a wasteful number, since it uses less digits than its factorization.

2864551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its digits is 9600, while the sum is 31.

The square root of 2864551 is about 1692.4984490392. The cubic root of 2864551 is about 142.0208757248.

The spelling of 2864551 in words is "two million, eight hundred sixty-four thousand, five hundred fifty-one".