915630 has 32 divisors (see below), whose sum is σ = 2294784. Its totient is φ = 233376.

The previous prime is 915623. The next prime is 915631. The reversal of 915630 is 36519.

It is a self number, because there is not a number n which added to its sum of digits gives 915630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (71712).

2⁹¹⁵⁶³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 915630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147392).

915630 is an abundant number, since it is smaller than the sum of its proper divisors (1379154).

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

915630 is a wasteful number, since it uses less digits than its factorization.

915630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 915630 is about 956.8855730964. The cubic root of 915630 is about 97.1046449230.

The spelling of 915630 in words is "nine hundred fifteen thousand, six hundred thirty".