2547798 has 16 divisors (see below), whose sum is σ = 5558976. Its totient is φ = 772040.

The previous prime is 2547791. The next prime is 2547817. The reversal of 2547798 is 8977452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19236 + ... + 19367.

It is an arithmetic number, because the mean of its divisors is an integer number (347436).

2^2547798 is an apocalyptic number.

2547798 is an abundant number, since it is smaller than the sum of its proper divisors (3011178).

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

2547798 is a wasteful number, since it uses less digits than its factorization.

2547798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38619.

The product of its digits is 141120, while the sum is 42.

The square root of 2547798 is about 1596.1823204133. The cubic root of 2547798 is about 136.5803844308.

The spelling of 2547798 in words is "two million, five hundred forty-seven thousand, seven hundred ninety-eight".