190901293 has 4 divisors (see below), whose sum is σ = 208255968. Its totient is φ = 173546620.

The previous prime is 190901273. The next prime is 190901309. The reversal of 190901293 is 392109091.

190901293 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.

It is a cyclic number.

It is not a de Polignac number, because 190901293 - 2⁵ = 190901261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190901213) 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, 8677321 + ... + 8677342.

It is an arithmetic number, because the mean of its divisors is an integer number (52063992).

Almost surely, 2^190901293 is an apocalyptic number.

It is an amenable number.

190901293 is a deficient number, since it is larger than the sum of its proper divisors (17354675).

190901293 is a wasteful number, since it uses less digits than its factorization.

190901293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354674.

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

The square root of 190901293 is about 13816.7034056608. The cubic root of 190901293 is about 575.7972989897.

The spelling of 190901293 in words is "one hundred ninety million, nine hundred one thousand, two hundred ninety-three".