190912093 has 4 divisors (see below), whose sum is σ = 191301408. Its totient is φ = 190522780.

The previous prime is 190912087. The next prime is 190912129. The reversal of 190912093 is 390219091.

190912093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 390219091 = 73 ⋅5345467.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190912093 is a prime.

It is a super-3 number, since 3×190912093³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190912793) 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, 193921 + ... + 194902.

It is an arithmetic number, because the mean of its divisors is an integer number (47825352).

Almost surely, 2^190912093 is an apocalyptic number.

It is an amenable number.

190912093 is a deficient number, since it is larger than the sum of its proper divisors (389315).

190912093 is an equidigital number, since it uses as much as digits as its factorization.

190912093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389314.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 190912093 is about 13817.0942314222. The cubic root of 190912093 is about 575.8081571203.

The spelling of 190912093 in words is "one hundred ninety million, nine hundred twelve thousand, ninety-three".