1198490 has 8 divisors (see below), whose sum is σ = 2157300. Its totient is φ = 479392.

The previous prime is 1198481. The next prime is 1198511. The reversal of 1198490 is 948911.

It can be written as a sum of positive squares in 2 ways, for example, as 1168561 + 29929 = 1081^2 + 173^2 .

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

It is a Curzon number.

It is a plaindrome in base 16.

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, 59915 + ... + 59934.

2^1198490 is an apocalyptic number.

1198490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198490 is a deficient number, since it is larger than the sum of its proper divisors (958810).

1198490 is a wasteful number, since it uses less digits than its factorization.

1198490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119856.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1198490 is about 1094.7556805059. The cubic root of 1198490 is about 106.2212655861.

The spelling of 1198490 in words is "one million, one hundred ninety-eight thousand, four hundred ninety".