30848540 has 24 divisors (see below), whose sum is σ = 68593392. Its totient is φ = 11613440.

The previous prime is 30848539. The next prime is 30848549. The reversal of 30848540 is 4584803.

It is a super-3 number, since 3×30848540³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30848497 and 30848506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30848549) 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, 45026 + ... + 45705.

It is an arithmetic number, because the mean of its divisors is an integer number (2858058).

Almost surely, 2^30848540 is an apocalyptic number.

It is an amenable number.

30848540 is an abundant number, since it is smaller than the sum of its proper divisors (37744852).

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

30848540 is a wasteful number, since it uses less digits than its factorization.

30848540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90757 (or 90755 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 30848540 is about 5554.1461990120. The cubic root of 30848540 is about 313.6256238390.

The spelling of 30848540 in words is "thirty million, eight hundred forty-eight thousand, five hundred forty".