2858089 has 8 divisors (see below), whose sum is σ = 3107720. Its totient is φ = 2612736.

The previous prime is 2858071. The next prime is 2858101. The reversal of 2858089 is 9808582.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 632025 + 2226064 = 795^2 + 1492^2 .

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 2858089 - 2¹⁹ = 2333801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2858029) 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, 409 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (388465).

2^2858089 is an apocalyptic number.

It is an amenable number.

2858089 is a deficient number, since it is larger than the sum of its proper divisors (249631).

2858089 is a wasteful number, since it uses less digits than its factorization.

2858089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 2858089 is about 1690.5883591224. The cubic root of 2858089 is about 141.9140026803.

The spelling of 2858089 in words is "two million, eight hundred fifty-eight thousand, eighty-nine".