196339990 has 32 divisors (see below), whose sum is σ = 440619264. Its totient is φ = 61196640.

The previous prime is 196339943. The next prime is 196339993. The reversal of 196339990 is 99933691.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196339993) 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, 126724 + ... + 128263.

It is an arithmetic number, because the mean of its divisors is an integer number (13769352).

Almost surely, 2^196339990 is an apocalyptic number.

196339990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196339990 is an abundant number, since it is smaller than the sum of its proper divisors (244279274).

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

196339990 is a wasteful number, since it uses less digits than its factorization.

196339990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255012.

The product of its (nonzero) digits is 354294, while the sum is 49.

The square root of 196339990 is about 14012.1372388369. The cubic root of 196339990 is about 581.2142516265.

The spelling of 196339990 in words is "one hundred ninety-six million, three hundred thirty-nine thousand, nine hundred ninety".