193264089 has 12 divisors (see below), whose sum is σ = 261086448. Its totient is φ = 127145920.

The previous prime is 193264087. The next prime is 193264103. The reversal of 193264089 is 980462391.

It is not a de Polignac number, because 193264089 - 2¹ = 193264087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 193264089.

It is not an unprimeable number, because it can be changed into a prime (193264081) 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, 218929 + ... + 219809.

It is an arithmetic number, because the mean of its divisors is an integer number (21757204).

Almost surely, 2^193264089 is an apocalyptic number.

It is an amenable number.

193264089 is a deficient number, since it is larger than the sum of its proper divisors (67822359).

193264089 is an frugal number, since it uses more digits than its factorization.

193264089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 193264089 is about 13901.9455113304. The cubic root of 193264089 is about 578.1631235010.

The spelling of 193264089 in words is "one hundred ninety-three million, two hundred sixty-four thousand, eighty-nine".