974021 has 4 divisors (see below), whose sum is σ = 983232. Its totient is φ = 964812.

The previous prime is 974009. The next prime is 974033. The reversal of 974021 is 120479.

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.

It is an interprime number because it is at equal distance from previous prime (974009) and next prime (974033).

It is a cyclic number.

It is not a de Polignac number, because 974021 - 2⁶ = 973957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974041) 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, 4445 + ... + 4658.

It is an arithmetic number, because the mean of its divisors is an integer number (245808).

2⁹⁷⁴⁰²¹ is an apocalyptic number.

It is an amenable number.

974021 is a deficient number, since it is larger than the sum of its proper divisors (9211).

974021 is a wasteful number, since it uses less digits than its factorization.

974021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9210.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 974021 is about 986.9250224814. The cubic root of 974021 is about 99.1264242086.

The spelling of 974021 in words is "nine hundred seventy-four thousand, twenty-one".