971748 has 18 divisors (see below), whose sum is σ = 2456454. Its totient is φ = 323904.

The previous prime is 971723. The next prime is 971753. The reversal of 971748 is 847179.

It can be written as a sum of positive squares in only one way, i.e., 589824 + 381924 = 768^2 + 618^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 26993 = 971748 / (9 + 7 + 1 + 7 + 4 + 8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 971748.

It is an unprimeable number.

971748 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 5 ways as a sum of consecutive naturals, for example, 13461 + ... + 13532.

2⁹⁷¹⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

971748 is an abundant number, since it is smaller than the sum of its proper divisors (1484706).

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

971748 is a wasteful number, since it uses less digits than its factorization.

971748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27003 (or 26998 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 971748 is about 985.7727932947. The cubic root of 971748 is about 99.0492561748.

The spelling of 971748 in words is "nine hundred seventy-one thousand, seven hundred forty-eight".