190673449 has 8 divisors (see below), whose sum is σ = 192473568. Its totient is φ = 188879520.

The previous prime is 190673443. The next prime is 190673477. The reversal of 190673449 is 944376091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190673449 - 2¹⁷ = 190542377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190673443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79234 + ... + 81604.

It is an arithmetic number, because the mean of its divisors is an integer number (24059196).

Almost surely, 2^190673449 is an apocalyptic number.

It is an amenable number.

190673449 is a deficient number, since it is larger than the sum of its proper divisors (1800119).

190673449 is a wasteful number, since it uses less digits than its factorization.

190673449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 190673449 is about 13808.4557065589. The cubic root of 190673449 is about 575.5681331109.

The spelling of 190673449 in words is "one hundred ninety million, six hundred seventy-three thousand, four hundred forty-nine".