190481 has 4 divisors (see below), whose sum is σ = 193392. Its totient is φ = 187572.

The previous prime is 190471. The next prime is 190507. The reversal of 190481 is 184091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184091 = 19 ⋅9689.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190481 is a prime.

It is a super-2 number, since 2×190481² = 72566022722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (48348).

2¹⁹⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

190481 is a deficient number, since it is larger than the sum of its proper divisors (2911).

190481 is an equidigital number, since it uses as much as digits as its factorization.

190481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 190481 is about 436.4412904389. The cubic root of 190481 is about 57.5374425318.

The spelling of 190481 in words is "one hundred ninety thousand, four hundred eighty-one".