197374401 has 45 divisors (see below), whose sum is σ = 344525841. Its totient is φ = 112279608.

The previous prime is 197374381. The next prime is 197374409. The reversal of 197374401 is 104473791.

The square root of 197374401 is 14049.

It is a perfect power (a square), and thus also a powerful number.

197374401 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 197374401 - 2¹⁹ = 196850113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197374409) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 884976 + ... + 885198.

Almost surely, 2^197374401 is an apocalyptic number.

197374401 is the 14049-th square number.

197374401 is the 7025-th centered octagonal number.

It is an amenable number.

197374401 is a deficient number, since it is larger than the sum of its proper divisors (147151440).

197374401 is an frugal number, since it uses more digits than its factorization.

197374401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The cubic root of 197374401 is about 582.2331672813.

Multiplying 197374401 by its sum of digits (36), we get a square (7105478436 = 84294²).

The spelling of 197374401 in words is "one hundred ninety-seven million, three hundred seventy-four thousand, four hundred one".