972487 has 4 divisors (see below), whose sum is σ = 986256. Its totient is φ = 958720.

The previous prime is 972481. The next prime is 972493. The reversal of 972487 is 784279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784279 = 367 ⋅2137.

It is an interprime number because it is at equal distance from previous prime (972481) and next prime (972493).

It is a cyclic number.

It is not a de Polignac number, because 972487 - 2¹⁹ = 448199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972481) 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 3 ways as a sum of consecutive naturals, for example, 6778 + ... + 6919.

It is an arithmetic number, because the mean of its divisors is an integer number (246564).

2⁹⁷²⁴⁸⁷ is an apocalyptic number.

972487 is a deficient number, since it is larger than the sum of its proper divisors (13769).

972487 is a wasteful number, since it uses less digits than its factorization.

972487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13768.

The product of its digits is 28224, while the sum is 37.

The square root of 972487 is about 986.1475548821. The cubic root of 972487 is about 99.0743583114.

The spelling of 972487 in words is "nine hundred seventy-two thousand, four hundred eighty-seven".