865033930 has 16 divisors (see below), whose sum is σ = 1559587680. Its totient is φ = 345452112.

The previous prime is 865033921. The next prime is 865033937. The reversal of 865033930 is 39330568.

It is a self number, because there is not a number n which added to its sum of digits gives 865033930.

It is not an unprimeable number, because it can be changed into a prime (865033937) 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, 63684 + ... + 76063.

It is an arithmetic number, because the mean of its divisors is an integer number (97474230).

Almost surely, 2^865033930 is an apocalyptic number.

865033930 is a deficient number, since it is larger than the sum of its proper divisors (694553750).

865033930 is a wasteful number, since it uses less digits than its factorization.

865033930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140373.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 865033930 is about 29411.4591613541. The cubic root of 865033930 is about 952.8204013932.

The spelling of 865033930 in words is "eight hundred sixty-five million, thirty-three thousand, nine hundred thirty".