196499328 has 128 divisors (see below), whose sum is σ = 571069440. Its totient is φ = 59596800.

The previous prime is 196499309. The next prime is 196499363. The reversal of 196499328 is 823994691.

196499328 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×196499328² = 77223971808903168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201883 + ... + 202853.

It is an arithmetic number, because the mean of its divisors is an integer number (4461480).

Almost surely, 2^196499328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196499328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285534720).

196499328 is an abundant number, since it is smaller than the sum of its proper divisors (374570112).

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

196499328 is a wasteful number, since it uses less digits than its factorization.

196499328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1024 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 196499328 is about 14017.8217994095. The cubic root of 196499328 is about 581.3714355596.

The spelling of 196499328 in words is "one hundred ninety-six million, four hundred ninety-nine thousand, three hundred twenty-eight".