947540 has 48 divisors (see below), whose sum is σ = 2237760. Its totient is φ = 334080.

The previous prime is 947539. The next prime is 947561. The reversal of 947540 is 45749.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 947540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12944 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (46620).

2⁹⁴⁷⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118880).

947540 is an abundant number, since it is smaller than the sum of its proper divisors (1290220).

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

947540 is a wasteful number, since it uses less digits than its factorization.

947540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 947540 is about 973.4166630996. The cubic root of 947540 is about 98.2198313752.

The spelling of 947540 in words is "nine hundred forty-seven thousand, five hundred forty".