2782998 has 40 divisors (see below), whose sum is σ = 6403320. Its totient is φ = 902880.

The previous prime is 2782993. The next prime is 2782999. The reversal of 2782998 is 8992872.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6433 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (160083).

2^2782998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2782998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201660).

2782998 is an abundant number, since it is smaller than the sum of its proper divisors (3620322).

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

2782998 is a wasteful number, since it uses less digits than its factorization.

2782998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 465 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2782998 is about 1668.2319982544. The cubic root of 2782998 is about 140.6601138980.

The spelling of 2782998 in words is "two million, seven hundred eighty-two thousand, nine hundred ninety-eight".