197785234 has 16 divisors (see below), whose sum is σ = 313061760. Its totient is φ = 93528160.

The previous prime is 197785229. The next prime is 197785243. The reversal of 197785234 is 432587791.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20062 + ... + 28249.

It is an arithmetic number, because the mean of its divisors is an integer number (19566360).

Almost surely, 2^197785234 is an apocalyptic number.

197785234 is a deficient number, since it is larger than the sum of its proper divisors (115276526).

197785234 is a wasteful number, since it uses less digits than its factorization.

197785234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48425.

The product of its digits is 423360, while the sum is 46.

The square root of 197785234 is about 14063.6138314446. The cubic root of 197785234 is about 582.6368583115.

The spelling of 197785234 in words is "one hundred ninety-seven million, seven hundred eighty-five thousand, two hundred thirty-four".