2196542 has 8 divisors (see below), whose sum is σ = 3383976. Its totient is φ = 1068552.

The previous prime is 2196541. The next prime is 2196559. The reversal of 2196542 is 2456912.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196541) 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, 14768 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (422997).

2^2196542 is an apocalyptic number.

2196542 is a deficient number, since it is larger than the sum of its proper divisors (1187434).

2196542 is a wasteful number, since it uses less digits than its factorization.

2196542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29722.

The product of its digits is 4320, while the sum is 29.

The square root of 2196542 is about 1482.0735474328. The cubic root of 2196542 is about 129.9909658416.

The spelling of 2196542 in words is "two million, one hundred ninety-six thousand, five hundred forty-two".