8973940 has 12 divisors (see below), whose sum is σ = 18845316. Its totient is φ = 3589568.

The previous prime is 8973931. The next prime is 8973961. The reversal of 8973940 is 493798.

8973940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3857296 + 5116644 = 1964^2 + 2262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8973893 and 8973902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224329 + ... + 224368.

It is an arithmetic number, because the mean of its divisors is an integer number (1570443).

Almost surely, 2^8973940 is an apocalyptic number.

It is an amenable number.

8973940 is an abundant number, since it is smaller than the sum of its proper divisors (9871376).

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

8973940 is a wasteful number, since it uses less digits than its factorization.

8973940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448706 (or 448704 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 8973940 is about 2995.6535180157. The cubic root of 8973940 is about 207.8074216069.

The spelling of 8973940 in words is "eight million, nine hundred seventy-three thousand, nine hundred forty".