30275384 has 32 divisors (see below), whose sum is σ = 58544640. Its totient is φ = 14668800.

The previous prime is 30275381. The next prime is 30275389. The reversal of 30275384 is 48357203.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30275384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30275381) 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, 78857 + ... + 79239.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^30275384 is an apocalyptic number.

It is an amenable number.

30275384 is a deficient number, since it is larger than the sum of its proper divisors (28269256).

30275384 is a wasteful number, since it uses less digits than its factorization.

30275384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 30275384 is about 5502.3071524589. The cubic root of 30275384 is about 311.6711140980.

The spelling of 30275384 in words is "thirty million, two hundred seventy-five thousand, three hundred eighty-four".