190748293 has 4 divisors (see below), whose sum is σ = 190813248. Its totient is φ = 190683340.

The previous prime is 190748291. The next prime is 190748303. The reversal of 190748293 is 392847091.

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.

It is a cyclic number.

It is not a de Polignac number, because 190748293 - 2¹ = 190748291 is a prime.

It is a super-2 number, since 2×190748293² = 72769822564827698, which contains 22 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 (190748291) 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, 27853 + ... + 34018.

It is an arithmetic number, because the mean of its divisors is an integer number (47703312).

Almost surely, 2^190748293 is an apocalyptic number.

It is an amenable number.

190748293 is a deficient number, since it is larger than the sum of its proper divisors (64955).

190748293 is an equidigital number, since it uses as much as digits as its factorization.

190748293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64954.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 190748293 is about 13811.1655192457. The cubic root of 190748293 is about 575.6434314572.

The spelling of 190748293 in words is "one hundred ninety million, seven hundred forty-eight thousand, two hundred ninety-three".