197974401 has 16 divisors (see below), whose sum is σ = 288511488. Its totient is φ = 120211200.

The previous prime is 197974397. The next prime is 197974417. The reversal of 197974401 is 104479791.

197974401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197974401 - 2² = 197974397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197974201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61030 + ... + 64191.

It is an arithmetic number, because the mean of its divisors is an integer number (18031968).

Almost surely, 2^197974401 is an apocalyptic number.

It is an amenable number.

197974401 is a deficient number, since it is larger than the sum of its proper divisors (90537087).

197974401 is a wasteful number, since it uses less digits than its factorization.

197974401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125272.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 197974401 is about 14070.3376292113. The cubic root of 197974401 is about 582.8225488630.

The spelling of 197974401 in words is "one hundred ninety-seven million, nine hundred seventy-four thousand, four hundred one".