196021536 has 24 divisors (see below), whose sum is σ = 514556784. Its totient is φ = 65340480.

The previous prime is 196021531. The next prime is 196021547. The reversal of 196021536 is 635120691.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 196021497 and 196021506.

It is not an unprimeable number, because it can be changed into a prime (196021531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020850 + ... + 1021041.

It is an arithmetic number, because the mean of its divisors is an integer number (21439866).

Almost surely, 2^196021536 is an apocalyptic number.

196021536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

196021536 is an abundant number, since it is smaller than the sum of its proper divisors (318535248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196021536 is a wasteful number, since it uses less digits than its factorization.

196021536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041904 (or 2041896 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 196021536 is about 14000.7691217304. The cubic root of 196021536 is about 580.8998477489.

The spelling of 196021536 in words is "one hundred ninety-six million, twenty-one thousand, five hundred thirty-six".