8957940 has 48 divisors (see below), whose sum is σ = 25256448. Its totient is φ = 2372224.

The previous prime is 8957917. The next prime is 8957957. The reversal of 8957940 is 497598.

It is a junction number, because it is equal to n+sod(n) for n = 8957892 and 8957901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9949 + ... + 10811.

It is an arithmetic number, because the mean of its divisors is an integer number (526176).

Almost surely, 2^8957940 is an apocalyptic number.

It is an amenable number.

8957940 is an abundant number, since it is smaller than the sum of its proper divisors (16298508).

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

8957940 is a wasteful number, since it uses less digits than its factorization.

8957940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 8957940 is about 2992.9817907899. The cubic root of 8957940 is about 207.6838453870.

The spelling of 8957940 in words is "eight million, nine hundred fifty-seven thousand, nine hundred forty".