196342990 has 32 divisors (see below), whose sum is σ = 361941696. Its totient is φ = 76665600.

The previous prime is 196342943. The next prime is 196342999. The reversal of 196342990 is 99243691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196342999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72399 + ... + 75061.

It is an arithmetic number, because the mean of its divisors is an integer number (11310678).

Almost surely, 2^196342990 is an apocalyptic number.

196342990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196342990 is a deficient number, since it is larger than the sum of its proper divisors (165598706).

196342990 is a wasteful number, since it uses less digits than its factorization.

196342990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 196342990 is about 14012.2442884786. The cubic root of 196342990 is about 581.2172118553.

The spelling of 196342990 in words is "one hundred ninety-six million, three hundred forty-two thousand, nine hundred ninety".