190426293 has 12 divisors (see below), whose sum is σ = 275527200. Its totient is φ = 126735336.

The previous prime is 190426283. The next prime is 190426339. The reversal of 190426293 is 392624091.

It is not a de Polignac number, because 190426293 - 2⁴ = 190426277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190426283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12271 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (22960600).

Almost surely, 2^190426293 is an apocalyptic number.

It is an amenable number.

190426293 is a deficient number, since it is larger than the sum of its proper divisors (85100907).

190426293 is a wasteful number, since it uses less digits than its factorization.

190426293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35928 (or 35925 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 190426293 is about 13799.5033606286. The cubic root of 190426293 is about 575.3193366694.

The spelling of 190426293 in words is "one hundred ninety million, four hundred twenty-six thousand, two hundred ninety-three".