190264321 has 8 divisors (see below), whose sum is σ = 208373760. Its totient is φ = 172651152.

The previous prime is 190264279. The next prime is 190264369. The reversal of 190264321 is 123462091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190264321 - 2¹¹ = 190262273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190264321.

It is not an unprimeable number, because it can be changed into a prime (190264021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123265 + ... + 124798.

It is an arithmetic number, because the mean of its divisors is an integer number (26046720).

Almost surely, 2^190264321 is an apocalyptic number.

It is an amenable number.

190264321 is a deficient number, since it is larger than the sum of its proper divisors (18109439).

190264321 is a wasteful number, since it uses less digits than its factorization.

190264321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248135.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 190264321 is about 13793.6333502091. The cubic root of 190264321 is about 575.1561728277.

The spelling of 190264321 in words is "one hundred ninety million, two hundred sixty-four thousand, three hundred twenty-one".