190846081 has 4 divisors (see below), whose sum is σ = 191679700. Its totient is φ = 190012464.

The previous prime is 190846009. The next prime is 190846087. The reversal of 190846081 is 180648091.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146023056 + 44823025 = 12084^2 + 6695^2 .

It is a cyclic number.

It is not a de Polignac number, because 190846081 - 2⁹ = 190845569 is a prime.

It is a super-2 number, since 2×190846081² = 72844453266117122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190846081.

It is not an unprimeable number, because it can be changed into a prime (190846087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416466 + ... + 416923.

It is an arithmetic number, because the mean of its divisors is an integer number (47919925).

Almost surely, 2^190846081 is an apocalyptic number.

It is an amenable number.

190846081 is a deficient number, since it is larger than the sum of its proper divisors (833619).

190846081 is an equidigital number, since it uses as much as digits as its factorization.

190846081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833618.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 190846081 is about 13814.7052447745. The cubic root of 190846081 is about 575.7417834135.

The spelling of 190846081 in words is "one hundred ninety million, eight hundred forty-six thousand, eighty-one".