973638 has 12 divisors (see below), whose sum is σ = 2109588. Its totient is φ = 324540.

The previous prime is 973631. The next prime is 973657. The reversal of 973638 is 836379.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973631) by changing a digit.

973638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27028 + ... + 27063.

It is an arithmetic number, because the mean of its divisors is an integer number (175799).

2⁹⁷³⁶³⁸ is an apocalyptic number.

973638 is an abundant number, since it is smaller than the sum of its proper divisors (1135950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

973638 is a wasteful number, since it uses less digits than its factorization.

973638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54099 (or 54096 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 973638 is about 986.7309663733. The cubic root of 973638 is about 99.1134298283.

The spelling of 973638 in words is "nine hundred seventy-three thousand, six hundred thirty-eight".