915472 has 20 divisors (see below), whose sum is σ = 1835820. Its totient is φ = 441728.

The previous prime is 915451. The next prime is 915479. The reversal of 915472 is 274519.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 583696 = 576^2 + 764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 915472.

It is not an unprimeable number, because it can be changed into a prime (915479) by changing a digit.

915472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (91791).

2⁹¹⁵⁴⁷² is an apocalyptic number.

It is an amenable number.

915472 is an abundant number, since it is smaller than the sum of its proper divisors (920348).

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

915472 is a wasteful number, since it uses less digits than its factorization.

915472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2004 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 915472 is about 956.8030100287. The cubic root of 915472 is about 97.0990591818.

The spelling of 915472 in words is "nine hundred fifteen thousand, four hundred seventy-two".