307190849 has 12 divisors (see below), whose sum is σ = 358057584. Its totient is φ = 262781064.

The previous prime is 307190827. The next prime is 307190951. The reversal of 307190849 is 948091703.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-307190849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (307190249) 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 11 ways as a sum of consecutive naturals, for example, 19634 + ... + 31620.

It is an arithmetic number, because the mean of its divisors is an integer number (29838132).

Almost surely, 2^307190849 is an apocalyptic number.

It is an amenable number.

307190849 is a deficient number, since it is larger than the sum of its proper divisors (50866735).

307190849 is a wasteful number, since it uses less digits than its factorization.

307190849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524 (or 12517 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 307190849 is about 17526.8607856627. The cubic root of 307190849 is about 674.7394323031.

The spelling of 307190849 in words is "three hundred seven million, one hundred ninety thousand, eight hundred forty-nine".