2900855 has 8 divisors (see below), whose sum is σ = 3538464. Its totient is φ = 2282400.

The previous prime is 2900851. The next prime is 2900857. The reversal of 2900855 is 5580092.

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

It is not a de Polignac number, because 2900855 - 2² = 2900851 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 (2900851) 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, 4451 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (442308).

2^2900855 is an apocalyptic number.

2900855 is a deficient number, since it is larger than the sum of its proper divisors (637609).

2900855 is an equidigital number, since it uses as much as digits as its factorization.

2900855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9577.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2900855 is about 1703.1896547361. The cubic root of 2900855 is about 142.6183278991.

The spelling of 2900855 in words is "two million, nine hundred thousand, eight hundred fifty-five".