190998039 has 8 divisors (see below), whose sum is σ = 258465280. Its totient is φ = 125431416.

The previous prime is 190998029. The next prime is 190998053. The reversal of 190998039 is 930899091.

190998039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 190998039 - 2²⁵ = 157443607 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 (190998019) 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, 474919 + ... + 475320.

It is an arithmetic number, because the mean of its divisors is an integer number (32308160).

Almost surely, 2^190998039 is an apocalyptic number.

190998039 is a deficient number, since it is larger than the sum of its proper divisors (67467241).

190998039 is an equidigital number, since it uses as much as digits as its factorization.

190998039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950309.

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 190998039 is about 13820.2040144131. The cubic root of 190998039 is about 575.8945511296.

The spelling of 190998039 in words is "one hundred ninety million, nine hundred ninety-eight thousand, thirty-nine".