307406089 has 9 divisors (see below), whose sum is σ = 312485077. Its totient is φ = 302409184.

The previous prime is 307406081. The next prime is 307406123. The reversal of 307406089 is 980604703.

The square root of 307406089 is 17533.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 28783225 + 278622864 = 5365^2 + 16692^2 .

It is not a de Polignac number, because 307406089 - 2³ = 307406081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307406081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1560339 + ... + 1560535.

Almost surely, 2^307406089 is an apocalyptic number.

307406089 is the 17533-rd square number.

307406089 is the 8767-th centered octagonal number.

It is an amenable number.

307406089 is a deficient number, since it is larger than the sum of its proper divisors (5078988).

307406089 is an frugal number, since it uses more digits than its factorization.

307406089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The cubic root of 307406089 is about 674.8969858341.

The spelling of 307406089 in words is "three hundred seven million, four hundred six thousand, eighty-nine".