196028401 has 4 divisors (see below), whose sum is σ = 196097652. Its totient is φ = 195959152.

The previous prime is 196028311. The next prime is 196028419. The reversal of 196028401 is 104820691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104820691 = 17 ⋅6165923.

It can be written as a sum of positive squares in 2 ways, for example, as 36663025 + 159365376 = 6055^2 + 12624^2 .

It is a cyclic number.

It is not a de Polignac number, because 196028401 - 2¹¹ = 196026353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196028431) 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, 30190 + ... + 36103.

It is an arithmetic number, because the mean of its divisors is an integer number (49024413).

Almost surely, 2^196028401 is an apocalyptic number.

It is an amenable number.

196028401 is a deficient number, since it is larger than the sum of its proper divisors (69251).

196028401 is an equidigital number, since it uses as much as digits as its factorization.

196028401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69250.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 196028401 is about 14001.0142846867. The cubic root of 196028401 is about 580.9066290291.

The spelling of 196028401 in words is "one hundred ninety-six million, twenty-eight thousand, four hundred one".