2780598 has 8 divisors (see below), whose sum is σ = 5561208. Its totient is φ = 926864.

The previous prime is 2780597. The next prime is 2780599. The reversal of 2780598 is 8950872.

It is an interprime number because it is at equal distance from previous prime (2780597) and next prime (2780599).

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

2780598 is an admirable number.

It is an Ulam number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780597) 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 3 ways as a sum of consecutive naturals, for example, 231711 + ... + 231722.

It is an arithmetic number, because the mean of its divisors is an integer number (695151).

2^2780598 is an apocalyptic number.

2780598 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2780598 is a wasteful number, since it uses less digits than its factorization.

2780598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463438.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2780598 is about 1667.5125186936. The cubic root of 2780598 is about 140.6196681435.

The spelling of 2780598 in words is "two million, seven hundred eighty thousand, five hundred ninety-eight".