196040431 has 16 divisors (see below), whose sum is σ = 210475008. Its totient is φ = 182160000.

The previous prime is 196040407. The next prime is 196040437. The reversal of 196040431 is 134040691.

It is not a de Polignac number, because 196040431 - 2¹⁹ = 195516143 is a prime.

It is a super-2 number, since 2×196040431² = 76863701173331522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196040431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196040437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162631 + ... + 163831.

It is an arithmetic number, because the mean of its divisors is an integer number (13154688).

Almost surely, 2^196040431 is an apocalyptic number.

196040431 is a deficient number, since it is larger than the sum of its proper divisors (14434577).

196040431 is a wasteful number, since it uses less digits than its factorization.

196040431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 196040431 is about 14001.4438898279. The cubic root of 196040431 is about 580.9185119396.

The spelling of 196040431 in words is "one hundred ninety-six million, forty thousand, four hundred thirty-one".