196723028 has 24 divisors (see below), whose sum is σ = 350066472. Its totient is φ = 96712704.

The previous prime is 196723013. The next prime is 196723049. The reversal of 196723028 is 820327691.

196723028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 102981904 + 93741124 = 10148^2 + 9682^2 .

It is a super-4 number, since 4×196723028⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 196722982 and 196723000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115076 + ... + 116772.

It is an arithmetic number, because the mean of its divisors is an integer number (14586103).

Almost surely, 2^196723028 is an apocalyptic number.

It is an amenable number.

196723028 is a deficient number, since it is larger than the sum of its proper divisors (153343444).

196723028 is a wasteful number, since it uses less digits than its factorization.

196723028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 196723028 is about 14025.7986581870. The cubic root of 196723028 is about 581.5919680687.

The spelling of 196723028 in words is "one hundred ninety-six million, seven hundred twenty-three thousand, twenty-eight".