905400916 has 48 divisors (see below), whose sum is σ = 1837624320. Its totient is φ = 382314240.

The previous prime is 905400913. The next prime is 905400917. The reversal of 905400916 is 619004509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905400913) 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 15 ways as a sum of consecutive naturals, for example, 1048701 + ... + 1049563.

It is an arithmetic number, because the mean of its divisors is an integer number (38283840).

Almost surely, 2^905400916 is an apocalyptic number.

It is an amenable number.

905400916 is an abundant number, since it is smaller than the sum of its proper divisors (932223404).

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

905400916 is a wasteful number, since it uses less digits than its factorization.

905400916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 905400916 is about 30089.8806245555. The cubic root of 905400916 is about 967.4168404866.

The spelling of 905400916 in words is "nine hundred five million, four hundred thousand, nine hundred sixteen".