196769641 has 8 divisors (see below), whose sum is σ = 199464104. Its totient is φ = 194088960.

The previous prime is 196769627. The next prime is 196769647. The reversal of 196769641 is 146967691.

It can be written as a sum of positive squares in 4 ways, for example, as 16646400 + 180123241 = 4080^2 + 13421^2 .

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 196769641 - 2¹⁵ = 196736873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196769647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27121 + ... + 33601.

It is an arithmetic number, because the mean of its divisors is an integer number (24933013).

Almost surely, 2^196769641 is an apocalyptic number.

It is an amenable number.

196769641 is a deficient number, since it is larger than the sum of its proper divisors (2694463).

196769641 is an equidigital number, since it uses as much as digits as its factorization.

196769641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891.

The product of its digits is 489888, while the sum is 49.

The square root of 196769641 is about 14027.4602476714. The cubic root of 196769641 is about 581.6378999994.

The spelling of 196769641 in words is "one hundred ninety-six million, seven hundred sixty-nine thousand, six hundred forty-one".