196598290 has 48 divisors (see below), whose sum is σ = 417524544. Its totient is φ = 66444000.

The previous prime is 196598287. The next prime is 196598299. The reversal of 196598290 is 92895691.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (196598299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31965 + ... + 37615.

It is an arithmetic number, because the mean of its divisors is an integer number (8698428).

Almost surely, 2^196598290 is an apocalyptic number.

196598290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196598290 is an abundant number, since it is smaller than the sum of its proper divisors (220926254).

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

196598290 is a wasteful number, since it uses less digits than its factorization.

196598290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743 (or 5736 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 196598290 is about 14021.3512187663. The cubic root of 196598290 is about 581.4690169353.

The spelling of 196598290 in words is "one hundred ninety-six million, five hundred ninety-eight thousand, two hundred ninety".