190386852 has 12 divisors (see below), whose sum is σ = 444236016. Its totient is φ = 63462280.

The previous prime is 190386799. The next prime is 190386853. The reversal of 190386852 is 258683091.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (190386853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7932774 + ... + 7932797.

It is an arithmetic number, because the mean of its divisors is an integer number (37019668).

Almost surely, 2^190386852 is an apocalyptic number.

190386852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190386852 is an abundant number, since it is smaller than the sum of its proper divisors (253849164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190386852 is a wasteful number, since it uses less digits than its factorization.

190386852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15865578 (or 15865576 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 190386852 is about 13798.0742134546. The cubic root of 190386852 is about 575.2796139743.

The spelling of 190386852 in words is "one hundred ninety million, three hundred eighty-six thousand, eight hundred fifty-two".