973209432 has 64 divisors (see below), whose sum is σ = 2624590080. Its totient is φ = 298945152.

The previous prime is 973209427. The next prime is 973209487. The reversal of 973209432 is 234902379.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210813 + ... + 215379.

It is an arithmetic number, because the mean of its divisors is an integer number (41009220).

Almost surely, 2^973209432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 973209432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312295040).

973209432 is an abundant number, since it is smaller than the sum of its proper divisors (1651380648).

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

973209432 is a wasteful number, since it uses less digits than its factorization.

973209432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 973209432 is about 31196.3047811756. The cubic root of 973209432 is about 990.9888538151.

The spelling of 973209432 in words is "nine hundred seventy-three million, two hundred nine thousand, four hundred thirty-two".