307340 has 36 divisors (see below), whose sum is σ = 715008. Its totient is φ = 110880.

The previous prime is 307339. The next prime is 307361. The reversal of 307340 is 43703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2357 + ... + 2483.

2³⁰⁷³⁴⁰ 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 307340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357504).

307340 is an abundant number, since it is smaller than the sum of its proper divisors (407668).

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

307340 is a wasteful number, since it uses less digits than its factorization.

307340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 307340 is about 554.3825394076. The cubic root of 307340 is about 67.4848617172.

It can be divided in two parts, 3073 and 40, that added together give a palindrome (3113).

The spelling of 307340 in words is "three hundred seven thousand, three hundred forty", and thus it is an iban number.