906940 has 24 divisors (see below), whose sum is σ = 1924272. Its totient is φ = 359040.

The previous prime is 906931. The next prime is 906943. The reversal of 906940 is 49609.

It is a junction number, because it is equal to n+sod(n) for n = 906899 and 906908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2575 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (80178).

2⁹⁰⁶⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

906940 is an abundant number, since it is smaller than the sum of its proper divisors (1017332).

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

906940 is a wasteful number, since it uses less digits than its factorization.

906940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 906940 is about 952.3339750319. Note that the first 3 decimals coincide. The cubic root of 906940 is about 96.7964698301.

The spelling of 906940 in words is "nine hundred six thousand, nine hundred forty".