971090 has 24 divisors (see below), whose sum is σ = 1851660. Its totient is φ = 366624.

The previous prime is 971077. The next prime is 971093. The reversal of 971090 is 90179.

971090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 866761 + 104329 = 931^2 + 323^2 .

It is not an unprimeable number, because it can be changed into a prime (971093) by changing a digit.

971090 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 11 ways as a sum of consecutive naturals, for example, 3476 + ... + 3744.

2⁹⁷¹⁰⁹⁰ is an apocalyptic number.

971090 is a deficient number, since it is larger than the sum of its proper divisors (880570).

971090 is a wasteful number, since it uses less digits than its factorization.

971090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 971090 is about 985.4389884716. The cubic root of 971090 is about 99.0268947098.

The spelling of 971090 in words is "nine hundred seventy-one thousand, ninety".