971418 has 32 divisors (see below), whose sum is σ = 2252160. Its totient is φ = 273600.

The previous prime is 971401. The next prime is 971419. The reversal of 971418 is 814179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971419) by changing a digit.

971418 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 4128 + ... + 4356.

It is an arithmetic number, because the mean of its divisors is an integer number (70380).

2⁹⁷¹⁴¹⁸ is an apocalyptic number.

971418 is an abundant number, since it is smaller than the sum of its proper divisors (1280742).

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

971418 is a wasteful number, since it uses less digits than its factorization.

971418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 2016, while the sum is 30.

The square root of 971418 is about 985.6053977125. The cubic root of 971418 is about 99.0380427205.

The spelling of 971418 in words is "nine hundred seventy-one thousand, four hundred eighteen".