940820825 has 36 divisors (see below), whose sum is σ = 1360194192. Its totient is φ = 643658400.

The previous prime is 940820821. The next prime is 940820827. The reversal of 940820825 is 528028049.

It is not a de Polignac number, because 940820825 - 2² = 940820821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940820821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 993002 + ... + 993948.

It is an arithmetic number, because the mean of its divisors is an integer number (37783172).

Almost surely, 2^940820825 is an apocalyptic number.

It is an amenable number.

940820825 is a deficient number, since it is larger than the sum of its proper divisors (419373367).

940820825 is a wasteful number, since it uses less digits than its factorization.

940820825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 940820825 is about 30672.8026922875. The cubic root of 940820825 is about 979.8711565307.

The spelling of 940820825 in words is "nine hundred forty million, eight hundred twenty thousand, eight hundred twenty-five".