65038930 has 32 divisors (see below), whose sum is σ = 131839488. Its totient is φ = 22886400.

The previous prime is 65038927. The next prime is 65038931. The reversal of 65038930 is 3983056.

It is not an unprimeable number, because it can be changed into a prime (65038931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6127 + ... + 12946.

It is an arithmetic number, because the mean of its divisors is an integer number (4119984).

Almost surely, 2^65038930 is an apocalyptic number.

65038930 is an abundant number, since it is smaller than the sum of its proper divisors (66800558).

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

65038930 is a wasteful number, since it uses less digits than its factorization.

65038930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19122.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 65038930 is about 8064.6717230151. The cubic root of 65038930 is about 402.1528300204.

The spelling of 65038930 in words is "sixty-five million, thirty-eight thousand, nine hundred thirty".