858049 has 8 divisors (see below), whose sum is σ = 898560. Its totient is φ = 818400.

The previous prime is 858043. The next prime is 858073. The reversal of 858049 is 940858.

858049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 858049 - 2¹³ = 849857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (858043) 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, 2604 + ... + 2914.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

2⁸⁵⁸⁰⁴⁹ is an apocalyptic number.

858049 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

858049 is a deficient number, since it is larger than the sum of its proper divisors (40511).

858049 is a wasteful number, since it uses less digits than its factorization.

858049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 858049 is about 926.3093435781. The cubic root of 858049 is about 95.0248872932.

The spelling of 858049 in words is "eight hundred fifty-eight thousand, forty-nine".