196431 has 8 divisors (see below), whose sum is σ = 268464. Its totient is φ = 127680.

The previous prime is 196429. The next prime is 196439. The reversal of 196431 is 134691.

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

It is not a de Polignac number, because 196431 - 2¹ = 196429 is a prime.

It is a super-2 number, since 2×196431² = 77170275522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196439) 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, 676 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (33558).

2¹⁹⁶⁴³¹ is an apocalyptic number.

196431 is a deficient number, since it is larger than the sum of its proper divisors (72033).

196431 is a wasteful number, since it uses less digits than its factorization.

196431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its digits is 648, while the sum is 24.

The square root of 196431 is about 443.2053700036. The cubic root of 196431 is about 58.1304041686.

The spelling of 196431 in words is "one hundred ninety-six thousand, four hundred thirty-one".