2782398 has 16 divisors (see below), whose sum is σ = 5857920. Its totient is φ = 878616.

The previous prime is 2782397. The next prime is 2782411. The reversal of 2782398 is 8932872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12090 + ... + 12317.

It is an arithmetic number, because the mean of its divisors is an integer number (366120).

2^2782398 is an apocalyptic number.

2782398 is an abundant number, since it is smaller than the sum of its proper divisors (3075522).

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

2782398 is a wasteful number, since it uses less digits than its factorization.

2782398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24431.

The product of its digits is 48384, while the sum is 39.

The square root of 2782398 is about 1668.0521574579. The cubic root of 2782398 is about 140.6500046401.

The spelling of 2782398 in words is "two million, seven hundred eighty-two thousand, three hundred ninety-eight".