190012349 has 4 divisors (see below), whose sum is σ = 201189564. Its totient is φ = 178835136.

The previous prime is 190012343. The next prime is 190012363. The reversal of 190012349 is 943210091.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168091225 + 21921124 = 12965^2 + 4682^2 .

It is a cyclic number.

It is not a de Polignac number, because 190012349 - 2⁸ = 190012093 is a prime.

It is a super-2 number, since 2×190012349² = 72209385544995602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190012343) 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, 5588582 + ... + 5588615.

It is an arithmetic number, because the mean of its divisors is an integer number (50297391).

Almost surely, 2^190012349 is an apocalyptic number.

It is an amenable number.

190012349 is a deficient number, since it is larger than the sum of its proper divisors (11177215).

190012349 is a wasteful number, since it uses less digits than its factorization.

190012349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177214.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 190012349 is about 13784.4966901226. The cubic root of 190012349 is about 574.9021625598.

The spelling of 190012349 in words is "one hundred ninety million, twelve thousand, three hundred forty-nine".