190489079 has 16 divisors (see below), whose sum is σ = 225807360. Its totient is φ = 158760000.

The previous prime is 190489027. The next prime is 190489087. The reversal of 190489079 is 970984091.

It is a cyclic number.

It is not a de Polignac number, because 190489079 - 2¹⁶ = 190423543 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 (190489009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8222 + ... + 21179.

It is an arithmetic number, because the mean of its divisors is an integer number (14112960).

Almost surely, 2^190489079 is an apocalyptic number.

190489079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

190489079 is a deficient number, since it is larger than the sum of its proper divisors (35318281).

190489079 is a wasteful number, since it uses less digits than its factorization.

190489079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29462.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 190489079 is about 13801.7781100842. The cubic root of 190489079 is about 575.3825597851.

The spelling of 190489079 in words is "one hundred ninety million, four hundred eighty-nine thousand, seventy-nine".