974993 has 4 divisors (see below), whose sum is σ = 1017408. Its totient is φ = 932580.

The previous prime is 974989. The next prime is 974999. The reversal of 974993 is 399479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 399479 = 83 ⋅4813.

It is a cyclic number.

It is not a de Polignac number, because 974993 - 2² = 974989 is a prime.

It is a super-2 number, since 2×974993² = 1901222700098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 974993.

It is not an unprimeable number, because it can be changed into a prime (974999) 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, 21173 + ... + 21218.

It is an arithmetic number, because the mean of its divisors is an integer number (254352).

2⁹⁷⁴⁹⁹³ is an apocalyptic number.

It is an amenable number.

974993 is a deficient number, since it is larger than the sum of its proper divisors (42415).

974993 is a wasteful number, since it uses less digits than its factorization.

974993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42414.

The product of its digits is 61236, while the sum is 41.

The square root of 974993 is about 987.4173383124. The cubic root of 974993 is about 99.1593868284.

The spelling of 974993 in words is "nine hundred seventy-four thousand, nine hundred ninety-three".