30506604 has 24 divisors (see below), whose sum is σ = 73479168. Its totient is φ = 9840720.

The previous prime is 30506603. The next prime is 30506617. The reversal of 30506604 is 40660503.

It is a super-2 number, since 2×30506604² = 1861305775225632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30506603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40632 + ... + 41375.

It is an arithmetic number, because the mean of its divisors is an integer number (3061632).

Almost surely, 2^30506604 is an apocalyptic number.

It is an amenable number.

30506604 is an abundant number, since it is smaller than the sum of its proper divisors (42972564).

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

30506604 is a wasteful number, since it uses less digits than its factorization.

30506604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82045 (or 82043 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30506604 is about 5523.2783742991. The cubic root of 30506604 is about 312.4625371624.

The spelling of 30506604 in words is "thirty million, five hundred six thousand, six hundred four".