905468820 has 48 divisors (see below), whose sum is σ = 2573164608. Its totient is φ = 237853440.

The previous prime is 905468813. The next prime is 905468831. The reversal of 905468820 is 28864509.

It is a congruent number.

It is an unprimeable number.

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, 108601 + ... + 116640.

It is an arithmetic number, because the mean of its divisors is an integer number (53607596).

Almost surely, 2^905468820 is an apocalyptic number.

It is an amenable number.

905468820 is an abundant number, since it is smaller than the sum of its proper divisors (1667695788).

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

905468820 is a wasteful number, since it uses less digits than its factorization.

905468820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225320 (or 225318 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 905468820 is about 30091.0089561650. The cubic root of 905468820 is about 967.4410249224.

The spelling of 905468820 in words is "nine hundred five million, four hundred sixty-eight thousand, eight hundred twenty".