1198402 has 8 divisors (see below), whose sum is σ = 1806336. Its totient is φ = 596292.

The previous prime is 1198399. The next prime is 1198403. The reversal of 1198402 is 2048911.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1198403) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 898 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (225792).

2^1198402 is an apocalyptic number.

1198402 is a deficient number, since it is larger than the sum of its proper divisors (607934).

1198402 is a wasteful number, since it uses less digits than its factorization.

1198402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1198402 is about 1094.7154881521. The cubic root of 1198402 is about 106.2186657313.

It can be divided in two parts, 1198 and 402, that added together give a square (1600 = 40²).

The spelling of 1198402 in words is "one million, one hundred ninety-eight thousand, four hundred two".