190647379 has 6 divisors (see below), whose sum is σ = 206440836. Its totient is φ = 175982040.

The previous prime is 190647377. The next prime is 190647407. The reversal of 190647379 is 973746091.

190647379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190647379 - 2¹ = 190647377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190647371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563877 + ... + 564214.

It is an arithmetic number, because the mean of its divisors is an integer number (34406806).

Almost surely, 2^190647379 is an apocalyptic number.

190647379 is a deficient number, since it is larger than the sum of its proper divisors (15793457).

190647379 is a wasteful number, since it uses less digits than its factorization.

190647379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128117 (or 1128104 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 190647379 is about 13807.5116874837. The cubic root of 190647379 is about 575.5419002238.

The spelling of 190647379 in words is "one hundred ninety million, six hundred forty-seven thousand, three hundred seventy-nine".