190855349 has 4 divisors (see below), whose sum is σ = 191921760. Its totient is φ = 189788940.

The previous prime is 190855337. The next prime is 190855381. The reversal of 190855349 is 943558091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190855349 - 2⁴ = 190855333 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 (190855319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532937 + ... + 533294.

It is an arithmetic number, because the mean of its divisors is an integer number (47980440).

Almost surely, 2^190855349 is an apocalyptic number.

It is an amenable number.

190855349 is a deficient number, since it is larger than the sum of its proper divisors (1066411).

190855349 is a wasteful number, since it uses less digits than its factorization.

190855349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066410.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 190855349 is about 13815.0406803599. The cubic root of 190855349 is about 575.7511031202.

The spelling of 190855349 in words is "one hundred ninety million, eight hundred fifty-five thousand, three hundred forty-nine".