971842 has 16 divisors (see below), whose sum is σ = 1564992. Its totient is φ = 451440.

The previous prime is 971833. The next prime is 971851. The reversal of 971842 is 248179.

It is an interprime number because it is at equal distance from previous prime (971833) and next prime (971851).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (97812).

2⁹⁷¹⁸⁴² is an apocalyptic number.

971842 is a deficient number, since it is larger than the sum of its proper divisors (593150).

971842 is a wasteful number, since it uses less digits than its factorization.

971842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its digits is 4032, while the sum is 31.

The square root of 971842 is about 985.8204704712. The cubic root of 971842 is about 99.0524498457.

It can be divided in two parts, 9718 and 42, that multiplied together give a triangular number (408156 = T₉₀₃).

The spelling of 971842 in words is "nine hundred seventy-one thousand, eight hundred forty-two".