307980506 has 16 divisors (see below), whose sum is σ = 469592448. Its totient is φ = 151470000.

The previous prime is 307980487. The next prime is 307980523. The reversal of 307980506 is 605089703.

It is a self number, because there is not a number n which added to its sum of digits gives 307980506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26156 + ... + 36056.

It is an arithmetic number, because the mean of its divisors is an integer number (29349528).

Almost surely, 2^307980506 is an apocalyptic number.

307980506 is a deficient number, since it is larger than the sum of its proper divisors (161611942).

307980506 is a wasteful number, since it uses less digits than its factorization.

307980506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 307980506 is about 17549.3733791267. The cubic root of 307980506 is about 675.3170936316.

The spelling of 307980506 in words is "three hundred seven million, nine hundred eighty thousand, five hundred six".