2118078 has 12 divisors (see below), whose sum is σ = 4589208. Its totient is φ = 706020.

The previous prime is 2118059. The next prime is 2118079. The reversal of 2118078 is 8708112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58818 + ... + 58853.

It is an arithmetic number, because the mean of its divisors is an integer number (382434).

2^2118078 is an apocalyptic number.

2118078 is an abundant number, since it is smaller than the sum of its proper divisors (2471130).

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

2118078 is a wasteful number, since it uses less digits than its factorization.

2118078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117679 (or 117676 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 2118078 is about 1455.3618106849. The cubic root of 2118078 is about 128.4243323031.

The spelling of 2118078 in words is "two million, one hundred eighteen thousand, seventy-eight".