30885480 has 48 divisors (see below), whose sum is σ = 100378980. Its totient is φ = 8236032.

The previous prime is 30885473. The next prime is 30885487. The reversal of 30885480 is 8458803.

30885480 is a `hidden beast` number, since 30 + 88 + 548 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30885473) and next prime (30885487).

It can be written as a sum of positive squares in 2 ways, for example, as 29095236 + 1790244 = 5394^2 + 1338^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30885487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42537 + ... + 43256.

Almost surely, 2^30885480 is an apocalyptic number.

30885480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30885480 is an abundant number, since it is smaller than the sum of its proper divisors (69493500).

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

30885480 is a wasteful number, since it uses less digits than its factorization.

30885480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85810 (or 85803 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 30885480 is about 5557.4706476958. The cubic root of 30885480 is about 313.7507589808.

The spelling of 30885480 in words is "thirty million, eight hundred eighty-five thousand, four hundred eighty".