2791854 has 64 divisors (see below), whose sum is σ = 6914880. Its totient is φ = 829440.

The previous prime is 2791849. The next prime is 2791897. The reversal of 2791854 is 4581972.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28734 + ... + 28830.

It is an arithmetic number, because the mean of its divisors is an integer number (108045).

2^2791854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2791854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457440).

2791854 is an abundant number, since it is smaller than the sum of its proper divisors (4123026).

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

2791854 is a wasteful number, since it uses less digits than its factorization.

2791854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 156 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2791854 is about 1670.8841970645. The cubic root of 2791854 is about 140.8091578388.

It can be divided in two parts, 27918 and 54, that added together give a palindrome (27972).

The spelling of 2791854 in words is "two million, seven hundred ninety-one thousand, eight hundred fifty-four".