974345 has 4 divisors (see below), whose sum is σ = 1169220. Its totient is φ = 779472.

The previous prime is 974329. The next prime is 974359. The reversal of 974345 is 543479.

Added to its reverse (543479) it gives a square (1517824 = 1232²).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543479 = 137 ⋅3967.

It can be written as a sum of positive squares in 2 ways, for example, as 674041 + 300304 = 821^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 974345 - 2⁴ = 974329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97430 + ... + 97439.

It is an arithmetic number, because the mean of its divisors is an integer number (292305).

2⁹⁷⁴³⁴⁵ is an apocalyptic number.

It is an amenable number.

974345 is a deficient number, since it is larger than the sum of its proper divisors (194875).

974345 is a wasteful number, since it uses less digits than its factorization.

974345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194874.

The product of its digits is 15120, while the sum is 32.

The square root of 974345 is about 987.0891550412. The cubic root of 974345 is about 99.1374141841.

Adding to 974345 its reverse (543479), we get a square (1517824 = 1232²).

The spelling of 974345 in words is "nine hundred seventy-four thousand, three hundred forty-five".