1198634 has 8 divisors (see below), whose sum is σ = 1892640. Its totient is φ = 567756.

The previous prime is 1198621. The next prime is 1198643. The reversal of 1198634 is 4368911.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1198634.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15734 + ... + 15809.

It is an arithmetic number, because the mean of its divisors is an integer number (236580).

2^1198634 is an apocalyptic number.

1198634 is a deficient number, since it is larger than the sum of its proper divisors (694006).

1198634 is a wasteful number, since it uses less digits than its factorization.

1198634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31564.

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

The square root of 1198634 is about 1094.8214466295. The cubic root of 1198634 is about 106.2255196196.

The spelling of 1198634 in words is "one million, one hundred ninety-eight thousand, six hundred thirty-four".