2198087 has 4 divisors (see below), whose sum is σ = 2293680. Its totient is φ = 2102496.

The previous prime is 2198057. The next prime is 2198093. The reversal of 2198087 is 7808912.

It is a happy number.

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 2198087 - 2¹⁶ = 2132551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198057) 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, 47762 + ... + 47807.

It is an arithmetic number, because the mean of its divisors is an integer number (573420).

2^2198087 is an apocalyptic number.

2198087 is a deficient number, since it is larger than the sum of its proper divisors (95593).

2198087 is an equidigital number, since it uses as much as digits as its factorization.

2198087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95592.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2198087 is about 1482.5946850033. The cubic root of 2198087 is about 130.0214363073.

The spelling of 2198087 in words is "two million, one hundred ninety-eight thousand, eighty-seven".