2118548 has 6 divisors (see below), whose sum is σ = 3707466. Its totient is φ = 1059272.

The previous prime is 2118547. The next prime is 2118581. The reversal of 2118548 is 8458112.

2118548 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1249924 + 868624 = 1118^2 + 932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2118548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264815 + ... + 264822.

It is an arithmetic number, because the mean of its divisors is an integer number (617911).

2^2118548 is an apocalyptic number.

It is an amenable number.

2118548 is a deficient number, since it is larger than the sum of its proper divisors (1588918).

2118548 is a wasteful number, since it uses less digits than its factorization.

2118548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529641 (or 529639 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 2118548 is about 1455.5232736030. The cubic root of 2118548 is about 128.4338306898.

The spelling of 2118548 in words is "two million, one hundred eighteen thousand, five hundred forty-eight".