197400535 has 8 divisors (see below), whose sum is σ = 245049120. Its totient is φ = 152474784.

The previous prime is 197400521. The next prime is 197400551. The reversal of 197400535 is 535004791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197400535 - 2²⁷ = 63182807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197400535.

It is a congruent number.

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, 680547 + ... + 680836.

It is an arithmetic number, because the mean of its divisors is an integer number (30631140).

Almost surely, 2^197400535 is an apocalyptic number.

197400535 is a deficient number, since it is larger than the sum of its proper divisors (47648585).

197400535 is a wasteful number, since it uses less digits than its factorization.

197400535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361417.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 197400535 is about 14049.9300710004. The cubic root of 197400535 is about 582.2588636397.

The spelling of 197400535 in words is "one hundred ninety-seven million, four hundred thousand, five hundred thirty-five".