306961149 has 12 divisors (see below), whose sum is σ = 449871968. Its totient is φ = 186036840.

The previous prime is 306961147. The next prime is 306961181. The reversal of 306961149 is 941169603.

It is not a de Polignac number, because 306961149 - 2¹ = 306961147 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 (306961147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422449 + ... + 423174.

Almost surely, 2^306961149 is an apocalyptic number.

It is an amenable number.

306961149 is a deficient number, since it is larger than the sum of its proper divisors (142910819).

306961149 is a wasteful number, since it uses less digits than its factorization.

306961149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845648 (or 845637 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 306961149 is about 17520.3067610131. The cubic root of 306961149 is about 674.5712129974.

The spelling of 306961149 in words is "three hundred six million, nine hundred sixty-one thousand, one hundred forty-nine".