2196087 has 4 divisors (see below), whose sum is σ = 2928120. Its totient is φ = 1464056.

The previous prime is 2196079. The next prime is 2196091. The reversal of 2196087 is 7806912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2196087 - 2³ = 2196079 is a prime.

It is a super-2 number, since 2×2196087² = 9645596223138, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196037) 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, 366012 + ... + 366017.

It is an arithmetic number, because the mean of its divisors is an integer number (732030).

2^2196087 is an apocalyptic number.

2196087 is a deficient number, since it is larger than the sum of its proper divisors (732033).

2196087 is an equidigital number, since it uses as much as digits as its factorization.

2196087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732032.

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

The square root of 2196087 is about 1481.9200383287. The cubic root of 2196087 is about 129.9819896154.

The spelling of 2196087 in words is "two million, one hundred ninety-six thousand, eighty-seven".