196374557 has 4 divisors (see below), whose sum is σ = 206710080. Its totient is φ = 186039036.

The previous prime is 196374551. The next prime is 196374559. The reversal of 196374557 is 755473691.

It is a happy number.

196374557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 755473691 = 7 ⋅107924813.

It is a cyclic number.

It is not a de Polignac number, because 196374557 - 2²⁰ = 195325981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196374551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5167733 + ... + 5167770.

It is an arithmetic number, because the mean of its divisors is an integer number (51677520).

Almost surely, 2^196374557 is an apocalyptic number.

It is an amenable number.

196374557 is a deficient number, since it is larger than the sum of its proper divisors (10335523).

196374557 is a wasteful number, since it uses less digits than its factorization.

196374557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10335522.

The product of its digits is 793800, while the sum is 47.

The square root of 196374557 is about 14013.3706509176. The cubic root of 196374557 is about 581.2483585416.

The spelling of 196374557 in words is "one hundred ninety-six million, three hundred seventy-four thousand, five hundred fifty-seven".