974687 has 4 divisors (see below), whose sum is σ = 1113936. Its totient is φ = 835440.

The previous prime is 974657. The next prime is 974707. The reversal of 974687 is 786479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786479 = 613 ⋅1283.

It is a cyclic number.

It is not a de Polignac number, because 974687 - 2⁸ = 974431 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 (974657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69614 + ... + 69627.

It is an arithmetic number, because the mean of its divisors is an integer number (278484).

2⁹⁷⁴⁶⁸⁷ is an apocalyptic number.

974687 is a deficient number, since it is larger than the sum of its proper divisors (139249).

974687 is a wasteful number, since it uses less digits than its factorization.

974687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139248.

The product of its digits is 84672, while the sum is 41.

The square root of 974687 is about 987.2623764734. The cubic root of 974687 is about 99.1490120711.

It can be divided in two parts, 97468 and 7, that multiplied together give a square (682276 = 826²).

The spelling of 974687 in words is "nine hundred seventy-four thousand, six hundred eighty-seven".