1479197898 has 24 divisors (see below), whose sum is σ = 3205716228. Its totient is φ = 492944832.

The previous prime is 1479197887. The next prime is 1479197903. The reversal of 1479197898 is 8987919741.

It is a happy number.

1479197898 is a `hidden beast` number, since 1 + 479 + 1 + 9 + 78 + 98 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1478940849 + 257049 = 38457^2 + 507^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94486 + ... + 109022.

Almost surely, 2^1479197898 is an apocalyptic number.

1479197898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1479197898 is an abundant number, since it is smaller than the sum of its proper divisors (1726518330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1479197898 is a wasteful number, since it uses less digits than its factorization.

1479197898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20198 (or 20195 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 63.

The square root of 1479197898 is about 38460.3418861559. The cubic root of 1479197898 is about 1139.3979323171.

The spelling of 1479197898 in words is "one billion, four hundred seventy-nine million, one hundred ninety-seven thousand, eight hundred ninety-eight".