973540 has 12 divisors (see below), whose sum is σ = 2044476. Its totient is φ = 389408.

The previous prime is 973537. The next prime is 973547. The reversal of 973540 is 45379.

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 529984 = 666^2 + 728^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 973499 and 973508.

It is not an unprimeable number, because it can be changed into a prime (973547) 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, 24319 + ... + 24358.

It is an arithmetic number, because the mean of its divisors is an integer number (170373).

2⁹⁷³⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

973540 is an abundant number, since it is smaller than the sum of its proper divisors (1070936).

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

973540 is a wasteful number, since it uses less digits than its factorization.

973540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48686 (or 48684 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 973540 is about 986.6813061977. The cubic root of 973540 is about 99.1101043480.

The spelling of 973540 in words is "nine hundred seventy-three thousand, five hundred forty".