1198406 has 32 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 496800.

The previous prime is 1198403. The next prime is 1198411. The reversal of 1198406 is 6048911.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19616 + ... + 19676.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2^1198406 is an apocalyptic number.

1198406 is a deficient number, since it is larger than the sum of its proper divisors (944314).

1198406 is a wasteful number, since it uses less digits than its factorization.

1198406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1198406 is about 1094.7173151092. The cubic root of 1198406 is about 106.2187839092.

The spelling of 1198406 in words is "one million, one hundred ninety-eight thousand, four hundred six".