196749 has 20 divisors (see below), whose sum is σ = 336864. Its totient is φ = 112104.

The previous prime is 196739. The next prime is 196751. The reversal of 196749 is 947691.

It is not a de Polignac number, because 196749 - 2⁵ = 196717 is a prime.

It is a super-3 number, since 3×196749³ = 22848561122333247, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196709) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 394 + ... + 740.

2¹⁹⁶⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

196749 is a deficient number, since it is larger than the sum of its proper divisors (140115).

196749 is an equidigital number, since it uses as much as digits as its factorization.

196749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 357 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 196749 is about 443.5639750927. The cubic root of 196749 is about 58.1617561483.

It can be divided in two parts, 19674 and 9, that added together give a 9-th power (19683 = 3⁹).

The spelling of 196749 in words is "one hundred ninety-six thousand, seven hundred forty-nine".