190946810 has 16 divisors (see below), whose sum is σ = 350190216. Its totient is φ = 74937408.

The previous prime is 190946809. The next prime is 190946837. The reversal of 190946810 is 18649091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 168298729 + 22648081 = 12973^2 + 4759^2 .

It is a super-2 number, since 2×190946810² = 72921368498352200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179609 + ... + 180668.

Almost surely, 2^190946810 is an apocalyptic number.

190946810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190946810 is a deficient number, since it is larger than the sum of its proper divisors (159243406).

190946810 is a wasteful number, since it uses less digits than its factorization.

190946810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360337.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 190946810 is about 13818.3504804300. The cubic root of 190946810 is about 575.8430582099.

The spelling of 190946810 in words is "one hundred ninety million, nine hundred forty-six thousand, eight hundred ten".