190004642 has 8 divisors (see below), whose sum is σ = 294200832. Its totient is φ = 91937700.

The previous prime is 190004621. The next prime is 190004669. The reversal of 190004642 is 246400091.

190004642 is digitally balanced in base 3, 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 a super-2 number, since 2×190004642² = 72203527963096328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532234 + ... + 1532357.

It is an arithmetic number, because the mean of its divisors is an integer number (36775104).

Almost surely, 2^190004642 is an apocalyptic number.

190004642 is a deficient number, since it is larger than the sum of its proper divisors (104196190).

190004642 is a wasteful number, since it uses less digits than its factorization.

190004642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064624.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 190004642 is about 13784.2171340994. The cubic root of 190004642 is about 574.8943896775.

The spelling of 190004642 in words is "one hundred ninety million, four thousand, six hundred forty-two".