30385746 has 16 divisors (see below), whose sum is σ = 67524000. Its totient is φ = 10128564.

The previous prime is 30385741. The next prime is 30385759. The reversal of 30385746 is 64758303.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30385746.

It is not an unprimeable number, because it can be changed into a prime (30385741) 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, 281296 + ... + 281403.

It is an arithmetic number, because the mean of its divisors is an integer number (4220250).

Almost surely, 2^30385746 is an apocalyptic number.

30385746 is an abundant number, since it is smaller than the sum of its proper divisors (37138254).

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

30385746 is a wasteful number, since it uses less digits than its factorization.

30385746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562710 (or 562704 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 30385746 is about 5512.3267319708. The cubic root of 30385746 is about 312.0493634913.

The spelling of 30385746 in words is "thirty million, three hundred eighty-five thousand, seven hundred forty-six".