190612649 has 8 divisors (see below), whose sum is σ = 196804608. Its totient is φ = 184494240.

The previous prime is 190612627. The next prime is 190612651. The reversal of 190612649 is 946216091.

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 190612649 - 2¹⁶ = 190547113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190612549) 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 7 ways as a sum of consecutive naturals, for example, 13097 + ... + 23510.

It is an arithmetic number, because the mean of its divisors is an integer number (24600576).

Almost surely, 2^190612649 is an apocalyptic number.

It is an amenable number.

190612649 is a deficient number, since it is larger than the sum of its proper divisors (6191959).

190612649 is a wasteful number, since it uses less digits than its factorization.

190612649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36775.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 190612649 is about 13806.2539814390. The cubic root of 190612649 is about 575.5069495133.

The spelling of 190612649 in words is "one hundred ninety million, six hundred twelve thousand, six hundred forty-nine".