1198404479 has 12 divisors (see below), whose sum is σ = 1244983680. Its totient is φ = 1153497600.

The previous prime is 1198404451. The next prime is 1198404503. The reversal of 1198404479 is 9744048911.

It is not a de Polignac number, because 1198404479 - 2⁸ = 1198404223 is a prime.

It is a super-2 number, since 2×1198404479² = 2872346590574522882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198404379) 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, 180287 + ... + 186815.

It is an arithmetic number, because the mean of its divisors is an integer number (103748640).

Almost surely, 2^1198404479 is an apocalyptic number.

1198404479 is a deficient number, since it is larger than the sum of its proper divisors (46579201).

1198404479 is an equidigital number, since it uses as much as digits as its factorization.

1198404479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1198404479 is about 34617.9791293484. The cubic root of 1198404479 is about 1062.1873897210.

The spelling of 1198404479 in words is "one billion, one hundred ninety-eight million, four hundred four thousand, four hundred seventy-nine".