915474 has 32 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 257040.

The previous prime is 915451. The next prime is 915479. The reversal of 915474 is 474519.

It is a happy number.

915474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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

915474 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 15 ways as a sum of consecutive naturals, for example, 2829 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

2⁹¹⁵⁴⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 915474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064448).

915474 is an abundant number, since it is smaller than the sum of its proper divisors (1213422).

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

915474 is a wasteful number, since it uses less digits than its factorization.

915474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its digits is 5040, while the sum is 30.

The square root of 915474 is about 956.8040551754. The cubic root of 915474 is about 97.0991298914.

It can be divided in two parts, 91 and 5474, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 915474 in words is "nine hundred fifteen thousand, four hundred seventy-four".