974621 has 4 divisors (see below), whose sum is σ = 991200. Its totient is φ = 958044.

The previous prime is 974599. The next prime is 974651. The reversal of 974621 is 126479.

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: 126479 = 79 ⋅1601.

It is a cyclic number.

It is not a de Polignac number, because 974621 - 2⁶ = 974557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974651) 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, 8201 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (247800).

2⁹⁷⁴⁶²¹ is an apocalyptic number.

It is an amenable number.

974621 is a deficient number, since it is larger than the sum of its proper divisors (16579).

974621 is a wasteful number, since it uses less digits than its factorization.

974621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16578.

The product of its digits is 3024, while the sum is 29.

The square root of 974621 is about 987.2289501428. The cubic root of 974621 is about 99.1467740937.

The spelling of 974621 in words is "nine hundred seventy-four thousand, six hundred twenty-one".