30486980 has 12 divisors (see below), whose sum is σ = 64022700. Its totient is φ = 12194784.

The previous prime is 30486977. The next prime is 30487027. The reversal of 30486980 is 8968403.

It can be written as a sum of positive squares in 2 ways, for example, as 22146436 + 8340544 = 4706^2 + 2888^2 .

It is a super-3 number, since 3×30486980³ (a number of 23 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 762155 + ... + 762194.

It is an arithmetic number, because the mean of its divisors is an integer number (5335225).

Almost surely, 2^30486980 is an apocalyptic number.

It is an amenable number.

30486980 is an abundant number, since it is smaller than the sum of its proper divisors (33535720).

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

30486980 is a wasteful number, since it uses less digits than its factorization.

30486980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524358 (or 1524356 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 30486980 is about 5521.5016073528. The cubic root of 30486980 is about 312.3955234748.

The spelling of 30486980 in words is "thirty million, four hundred eighty-six thousand, nine hundred eighty".