2790018 has 96 divisors (see below), whose sum is σ = 7916160. Its totient is φ = 712800.

The previous prime is 2790001. The next prime is 2790019. The reversal of 2790018 is 8100972.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2789973 and 2790000.

It is not an unprimeable number, because it can be changed into a prime (2790019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45708 + ... + 45768.

It is an arithmetic number, because the mean of its divisors is an integer number (82460).

2^2790018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2790018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3958080).

2790018 is an abundant number, since it is smaller than the sum of its proper divisors (5126142).

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

2790018 is a wasteful number, since it uses less digits than its factorization.

2790018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2790018 is about 1670.3346969994. The cubic root of 2790018 is about 140.7782844114.

The spelling of 2790018 in words is "two million, seven hundred ninety thousand, eighteen".