197194254 has 16 divisors (see below), whose sum is σ = 417588048. Its totient is φ = 61864832.

The previous prime is 197194253. The next prime is 197194289. The reversal of 197194254 is 452491791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197194253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 966537 + ... + 966740.

It is an arithmetic number, because the mean of its divisors is an integer number (26099253).

Almost surely, 2^197194254 is an apocalyptic number.

197194254 is an abundant number, since it is smaller than the sum of its proper divisors (220393794).

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

197194254 is a wasteful number, since it uses less digits than its factorization.

197194254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933299.

The product of its digits is 90720, while the sum is 42.

The square root of 197194254 is about 14042.5871547945. The cubic root of 197194254 is about 582.0559752967.

The spelling of 197194254 in words is "one hundred ninety-seven million, one hundred ninety-four thousand, two hundred fifty-four".