197461388 has 24 divisors (see below), whose sum is σ = 350070672. Its totient is φ = 97449984.

The previous prime is 197461387. The next prime is 197461393. The reversal of 197461388 is 883164791.

It is not an unprimeable number, because it can be changed into a prime (197461387) 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, 104831 + ... + 106697.

It is an arithmetic number, because the mean of its divisors is an integer number (14586278).

Almost surely, 2^197461388 is an apocalyptic number.

It is an amenable number.

197461388 is a deficient number, since it is larger than the sum of its proper divisors (152609284).

197461388 is a wasteful number, since it uses less digits than its factorization.

197461388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2199 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 197461388 is about 14052.0955020951. The cubic root of 197461388 is about 582.3186888041.

The spelling of 197461388 in words is "one hundred ninety-seven million, four hundred sixty-one thousand, three hundred eighty-eight".