230291649 has 12 divisors (see below), whose sum is σ = 380164096. Its totient is φ = 131595192.

The previous prime is 230291599. The next prime is 230291669. The reversal of 230291649 is 946192032.

230291649 is a `hidden beast` number, since 2 + 3 + 0 + 2 + 9 + 1 + 649 = 666.

It is not a de Polignac number, because 230291649 - 2⁷ = 230291521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230291669) 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, 1827649 + ... + 1827774.

Almost surely, 2^230291649 is an apocalyptic number.

It is an amenable number.

230291649 is a deficient number, since it is larger than the sum of its proper divisors (149872447).

230291649 is a wasteful number, since it uses less digits than its factorization.

230291649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655436 (or 3655433 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 230291649 is about 15175.3632246480. The cubic root of 230291649 is about 612.9514308542.

The spelling of 230291649 in words is "two hundred thirty million, two hundred ninety-one thousand, six hundred forty-nine".