198486474 has 16 divisors (see below), whose sum is σ = 397480608. Its totient is φ = 66077552.

The previous prime is 198486461. The next prime is 198486479. The reversal of 198486474 is 474684891.

It is not an unprimeable number, because it can be changed into a prime (198486479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15972 + ... + 25535.

It is an arithmetic number, because the mean of its divisors is an integer number (24842538).

Almost surely, 2^198486474 is an apocalyptic number.

198486474 is an abundant number, since it is smaller than the sum of its proper divisors (198994134).

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

198486474 is a wasteful number, since it uses less digits than its factorization.

198486474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42309.

The product of its digits is 1548288, while the sum is 51.

The square root of 198486474 is about 14088.5227756497. The cubic root of 198486474 is about 583.3246183913.

The spelling of 198486474 in words is "one hundred ninety-eight million, four hundred eighty-six thousand, four hundred seventy-four".