974638 has 16 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 407736.

The previous prime is 974599. The next prime is 974651. The reversal of 974638 is 836479.

It is a junction number, because it is equal to n+sod(n) for n = 974597 and 974606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2⁹⁷⁴⁶³⁸ is an apocalyptic number.

974638 is a deficient number, since it is larger than the sum of its proper divisors (736082).

974638 is a wasteful number, since it uses less digits than its factorization.

974638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its digits is 36288, while the sum is 37.

The square root of 974638 is about 987.2375600634. The cubic root of 974638 is about 99.1473505520.

It can be divided in two parts, 9 and 74638, that added together give a palindrome (74647).

The spelling of 974638 in words is "nine hundred seventy-four thousand, six hundred thirty-eight".