196902144 has 144 divisors (see below), whose sum is σ = 593087040. Its totient is φ = 64419840.

The previous prime is 196902137. The next prime is 196902163. The reversal of 196902144 is 441209691.

It is a happy number.

196902144 is digitally balanced in base 2, because in such base 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 (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 196902099 and 196902108.

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, 421399 + ... + 421865.

It is an arithmetic number, because the mean of its divisors is an integer number (4118660).

Almost surely, 2^196902144 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 196902144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296543520).

196902144 is an abundant number, since it is smaller than the sum of its proper divisors (396184896).

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

196902144 is an equidigital number, since it uses as much as digits as its factorization.

196902144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 196902144 is about 14032.1824389508. The cubic root of 196902144 is about 581.7684273741.

The spelling of 196902144 in words is "one hundred ninety-six million, nine hundred two thousand, one hundred forty-four".