1198450 has 24 divisors (see below), whose sum is σ = 2432880. Its totient is φ = 435600.

The previous prime is 1198447. The next prime is 1198451. The reversal of 1198450 is 548911.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1198451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (101370).

2^1198450 is an apocalyptic number.

1198450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198450 is an abundant number, since it is smaller than the sum of its proper divisors (1234430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198450 is a wasteful number, since it uses less digits than its factorization.

1198450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1198450 is about 1094.7374114371. The cubic root of 1198450 is about 106.2200838497.

The spelling of 1198450 in words is "one million, one hundred ninety-eight thousand, four hundred fifty".