196486090 has 16 divisors (see below), whose sum is σ = 353837160. Its totient is φ = 78558400.

The previous prime is 196486067. The next prime is 196486097. The reversal of 196486090 is 90684691.

It can be written as a sum of positive squares in 4 ways, for example, as 80514729 + 115971361 = 8973^2 + 10769^2 .

It is not an unprimeable number, because it can be changed into a prime (196486097) 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, 34356 + ... + 39664.

Almost surely, 2^196486090 is an apocalyptic number.

196486090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196486090 is a deficient number, since it is larger than the sum of its proper divisors (157351070).

196486090 is a wasteful number, since it uses less digits than its factorization.

196486090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 196486090 is about 14017.3496068265. The cubic root of 196486090 is about 581.3583797594.

The spelling of 196486090 in words is "one hundred ninety-six million, four hundred eighty-six thousand, ninety".