830253915 has 64 divisors (see below), whose sum is σ = 1523404800. Its totient is φ = 428706432.

The previous prime is 830253911. The next prime is 830253953. The reversal of 830253915 is 519352038.

It is not a de Polignac number, because 830253915 - 2² = 830253911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 830253915.

It is not an unprimeable number, because it can be changed into a prime (830253911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1792974 + ... + 1793436.

It is an arithmetic number, because the mean of its divisors is an integer number (23803200).

Almost surely, 2^830253915 is an apocalyptic number.

830253915 is a deficient number, since it is larger than the sum of its proper divisors (693150885).

830253915 is a wasteful number, since it uses less digits than its factorization.

830253915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 830253915 is about 28814.1270039542. The cubic root of 830253915 is about 939.8754607151.

The spelling of 830253915 in words is "eight hundred thirty million, two hundred fifty-three thousand, nine hundred fifteen".