196798902 has 64 divisors (see below), whose sum is σ = 438566400. Its totient is φ = 58555904.

The previous prime is 196798897. The next prime is 196798957. The reversal of 196798902 is 209897691.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 349273 + ... + 349835.

It is an arithmetic number, because the mean of its divisors is an integer number (6852600).

Almost surely, 2^196798902 is an apocalyptic number.

196798902 is an abundant number, since it is smaller than the sum of its proper divisors (241767498).

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

196798902 is a wasteful number, since it uses less digits than its factorization.

196798902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 196798902 is about 14028.5031988448. The cubic root of 196798902 is about 581.6667297568. Note that the first 3 decimals are identical.

The spelling of 196798902 in words is "one hundred ninety-six million, seven hundred ninety-eight thousand, nine hundred two".