2725998 has 32 divisors (see below), whose sum is σ = 6020352. Its totient is φ = 816000.

The previous prime is 2725997. The next prime is 2726023. The reversal of 2725998 is 8995272.

2725998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6598 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (188136).

2^2725998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3010176).

2725998 is an abundant number, since it is smaller than the sum of its proper divisors (3294354).

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

2725998 is a wasteful number, since it uses less digits than its factorization.

2725998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its digits is 90720, while the sum is 42.

The square root of 2725998 is about 1651.0596597337. The cubic root of 2725998 is about 139.6931715738.

The spelling of 2725998 in words is "two million, seven hundred twenty-five thousand, nine hundred ninety-eight".