971438 has 8 divisors (see below), whose sum is σ = 1569288. Its totient is φ = 448344.

The previous prime is 971429. The next prime is 971441. The reversal of 971438 is 834179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 971438.

It is an unprimeable number.

971438 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, 18656 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (196161).

2⁹⁷¹⁴³⁸ is an apocalyptic number.

971438 is a deficient number, since it is larger than the sum of its proper divisors (597850).

971438 is a wasteful number, since it uses less digits than its factorization.

971438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37378.

The product of its digits is 6048, while the sum is 32.

The square root of 971438 is about 985.6155437086. The cubic root of 971438 is about 99.0387223961.

The spelling of 971438 in words is "nine hundred seventy-one thousand, four hundred thirty-eight".