2196078 has 8 divisors (see below), whose sum is σ = 4392168. Its totient is φ = 732024.

The previous prime is 2196067. The next prime is 2196079. The reversal of 2196078 is 8706912.

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

2196078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183001 + ... + 183012.

It is an arithmetic number, because the mean of its divisors is an integer number (549021).

2^2196078 is an apocalyptic number.

2196078 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.

2196078 is a wasteful number, since it uses less digits than its factorization.

2196078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366018.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2196078 is about 1481.9170017245. The cubic root of 2196078 is about 129.9818120512.

The spelling of 2196078 in words is "two million, one hundred ninety-six thousand, seventy-eight".