974421 has 12 divisors (see below), whose sum is σ = 1608672. Its totient is φ = 556776.

The previous prime is 974419. The next prime is 974431. The reversal of 974421 is 124479.

It is a happy number.

It is not a de Polignac number, because 974421 - 2¹ = 974419 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974401) 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 11 ways as a sum of consecutive naturals, for example, 7671 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (134056).

2⁹⁷⁴⁴²¹ is an apocalyptic number.

It is an amenable number.

974421 is a deficient number, since it is larger than the sum of its proper divisors (634251).

974421 is a wasteful number, since it uses less digits than its factorization.

974421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480 (or 15477 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 974421 is about 987.1276513197. The cubic root of 974421 is about 99.1399917268.

The spelling of 974421 in words is "nine hundred seventy-four thousand, four hundred twenty-one".