307049232 has 80 divisors (see below), whose sum is σ = 915969152. Its totient is φ = 86814720.

The previous prime is 307049219. The next prime is 307049251. The reversal of 307049232 is 232940703.

It is a self number, because there is not a number n which added to its sum of digits gives 307049232.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27882 + ... + 37302.

Almost surely, 2^307049232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307049232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457984576).

307049232 is an abundant number, since it is smaller than the sum of its proper divisors (608919920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307049232 is a wasteful number, since it uses less digits than its factorization.

307049232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536 (or 9530 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 307049232 is about 17522.8203209415. The cubic root of 307049232 is about 674.6357299282.

Adding to 307049232 its reverse (232940703), we get a palindrome (539989935).

The spelling of 307049232 in words is "three hundred seven million, forty-nine thousand, two hundred thirty-two".