971499 has 16 divisors (see below), whose sum is σ = 1406592. Its totient is φ = 594048.

The previous prime is 971491. The next prime is 971501. The reversal of 971499 is 994179.

It is not a de Polignac number, because 971499 - 2³ = 971491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (87912).

2⁹⁷¹⁴⁹⁹ is an apocalyptic number.

971499 is a deficient number, since it is larger than the sum of its proper divisors (435093).

971499 is a wasteful number, since it uses less digits than its factorization.

971499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its digits is 20412, while the sum is 39.

The square root of 971499 is about 985.6464883517. The cubic root of 971499 is about 99.0407953490.

It can be divided in two parts, 97 and 1499, that added together give a triangular number (1596 = T₅₆).

The spelling of 971499 in words is "nine hundred seventy-one thousand, four hundred ninety-nine".