903964990 has 16 divisors (see below), whose sum is σ = 1645421040. Its totient is φ = 357522880.

The previous prime is 903964981. The next prime is 903964993. The reversal of 903964990 is 99469309.

903964990 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (903964993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506956 + ... + 508735.

It is an arithmetic number, because the mean of its divisors is an integer number (102838815).

Almost surely, 2^903964990 is an apocalyptic number.

903964990 is a deficient number, since it is larger than the sum of its proper divisors (741456050).

903964990 is a wasteful number, since it uses less digits than its factorization.

903964990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015787.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 903964990 is about 30066.0105434692. The cubic root of 903964990 is about 966.9051430392.

The spelling of 903964990 in words is "nine hundred three million, nine hundred sixty-four thousand, nine hundred ninety".