197948874 has 16 divisors (see below), whose sum is σ = 396920160. Its totient is φ = 65812560.

The previous prime is 197948873. The next prime is 197948903. The reversal of 197948874 is 478849791.

It is not an unprimeable number, because it can be changed into a prime (197948873) 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, 40072 + ... + 44739.

It is an arithmetic number, because the mean of its divisors is an integer number (24807510).

Almost surely, 2^197948874 is an apocalyptic number.

197948874 is an abundant number, since it is smaller than the sum of its proper divisors (198971286).

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

197948874 is a wasteful number, since it uses less digits than its factorization.

197948874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85205.

The product of its digits is 4064256, while the sum is 57.

The square root of 197948874 is about 14069.4304788787. The cubic root of 197948874 is about 582.7974978958.

The spelling of 197948874 in words is "one hundred ninety-seven million, nine hundred forty-eight thousand, eight hundred seventy-four".