30827960 has 32 divisors (see below), whose sum is σ = 69521760. Its totient is φ = 12302976.

The previous prime is 30827959. The next prime is 30827963. The reversal of 30827960 is 6972803.

It is a self number, because there is not a number n which added to its sum of digits gives 30827960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30827963) 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, 31397 + ... + 32363.

It is an arithmetic number, because the mean of its divisors is an integer number (2172555).

Almost surely, 2^30827960 is an apocalyptic number.

It is an amenable number.

30827960 is an abundant number, since it is smaller than the sum of its proper divisors (38693800).

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

30827960 is a wasteful number, since it uses less digits than its factorization.

30827960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 30827960 is about 5552.2932199227. The cubic root of 30827960 is about 313.5558652574. Note that the first 3 decimals are identical.

The spelling of 30827960 in words is "thirty million, eight hundred twenty-seven thousand, nine hundred sixty".