2199634 has 4 divisors (see below), whose sum is σ = 3299454. Its totient is φ = 1099816.

The previous prime is 2199629. The next prime is 2199643. The reversal of 2199634 is 4369912.

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

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 363609 = 1355^2 + 603^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2199634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549907 + ... + 549910.

2^2199634 is an apocalyptic number.

2199634 is a deficient number, since it is larger than the sum of its proper divisors (1099820).

2199634 is a wasteful number, since it uses less digits than its factorization.

2199634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099819.

The product of its digits is 11664, while the sum is 34.

The square root of 2199634 is about 1483.1163137124. The cubic root of 2199634 is about 130.0519319144.

The spelling of 2199634 in words is "two million, one hundred ninety-nine thousand, six hundred thirty-four".