306675940 has 24 divisors (see below), whose sum is σ = 657724032. Its totient is φ = 120060000.

The previous prime is 306675911. The next prime is 306675947. The reversal of 306675940 is 49576603.

It is a junction number, because it is equal to n+sod(n) for n = 306675893 and 306675902.

It is not an unprimeable number, because it can be changed into a prime (306675947) 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 7 ways as a sum of consecutive naturals, for example, 162186 + ... + 164065.

It is an arithmetic number, because the mean of its divisors is an integer number (27405168).

Almost surely, 2^306675940 is an apocalyptic number.

It is an amenable number.

306675940 is an abundant number, since it is smaller than the sum of its proper divisors (351048092).

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

306675940 is a wasteful number, since it uses less digits than its factorization.

306675940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326307 (or 326305 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 306675940 is about 17512.1654857416. The cubic root of 306675940 is about 674.3622252050.

The spelling of 306675940 in words is "three hundred six million, six hundred seventy-five thousand, nine hundred forty".