10198634 has 4 divisors (see below), whose sum is σ = 15297954. Its totient is φ = 5099316.

The previous prime is 10198621. The next prime is 10198667. The reversal of 10198634 is 43689101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43689101 = 227 ⋅192463.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 570025 = 3103^2 + 755^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10198634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2549657 + ... + 2549660.

Almost surely, 2^10198634 is an apocalyptic number.

10198634 is a deficient number, since it is larger than the sum of its proper divisors (5099320).

10198634 is an equidigital number, since it uses as much as digits as its factorization.

10198634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099319.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10198634 is about 3193.5300217784. The cubic root of 10198634 is about 216.8606068897.

The spelling of 10198634 in words is "ten million, one hundred ninety-eight thousand, six hundred thirty-four".