2855458 has 8 divisors (see below), whose sum is σ = 4382928. Its totient is φ = 1394484.

The previous prime is 2855443. The next prime is 2855459. The reversal of 2855458 is 8545582.

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

It is not an unprimeable number, because it can be changed into a prime (2855459) 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, 16516 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (547866).

2^2855458 is an apocalyptic number.

2855458 is a deficient number, since it is larger than the sum of its proper divisors (1527470).

2855458 is a wasteful number, since it uses less digits than its factorization.

2855458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33248.

The product of its digits is 64000, while the sum is 37.

The square root of 2855458 is about 1689.8100484966. The cubic root of 2855458 is about 141.8704432286.

The spelling of 2855458 in words is "two million, eight hundred fifty-five thousand, four hundred fifty-eight".