196965290 has 16 divisors (see below), whose sum is σ = 358194312. Its totient is φ = 77973504.

The previous prime is 196965287. The next prime is 196965299. The reversal of 196965290 is 92569691.

It can be written as a sum of positive squares in 4 ways, for example, as 131079601 + 65885689 = 11449^2 + 8117^2 .

It is not an unprimeable number, because it can be changed into a prime (196965299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100559 + ... + 102498.

Almost surely, 2^196965290 is an apocalyptic number.

196965290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196965290 is a deficient number, since it is larger than the sum of its proper divisors (161229022).

196965290 is a wasteful number, since it uses less digits than its factorization.

196965290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203161.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 196965290 is about 14034.4323005956. The cubic root of 196965290 is about 581.8306112623.

The spelling of 196965290 in words is "one hundred ninety-six million, nine hundred sixty-five thousand, two hundred ninety".