2864358 has 48 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 807408.

The previous prime is 2864357. The next prime is 2864363. The reversal of 2864358 is 8534682.

2864358 is a `hidden beast` number, since 2 + 8 + 643 + 5 + 8 = 666.

It is a d-powerful number, because it can be written as 2¹⁹ + 8⁵ + 6³ + 4⁹ + 3¹⁰ + 5⁹ + 8⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15913 + ... + 16091.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

2^2864358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2864358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594240).

2864358 is an abundant number, since it is smaller than the sum of its proper divisors (4324122).

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

2864358 is a wasteful number, since it uses less digits than its factorization.

2864358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 318 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2864358 is about 1692.4414317784. The cubic root of 2864358 is about 142.0176860865.

The spelling of 2864358 in words is "two million, eight hundred sixty-four thousand, three hundred fifty-eight".