1427198 has 4 divisors (see below), whose sum is σ = 2140800. Its totient is φ = 713598.

The previous prime is 1427191. The next prime is 1427221. The reversal of 1427198 is 8917241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356798 + ... + 356801.

It is an arithmetic number, because the mean of its divisors is an integer number (535200).

2^1427198 is an apocalyptic number.

1427198 is a deficient number, since it is larger than the sum of its proper divisors (713602).

1427198 is an equidigital number, since it uses as much as digits as its factorization.

1427198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713601.

The product of its digits is 4032, while the sum is 32.

The square root of 1427198 is about 1194.6539247832. The cubic root of 1427198 is about 112.5886839813.

The spelling of 1427198 in words is "one million, four hundred twenty-seven thousand, one hundred ninety-eight".