905874020 has 48 divisors (see below), whose sum is σ = 2006121600. Its totient is φ = 342650880.

The previous prime is 905874017. The next prime is 905874029. The reversal of 905874020 is 20478509.

It is a happy number.

It is a super-2 number, since 2×905874020² = 1641215480221920800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (905874029) 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, 241721 + ... + 245439.

It is an arithmetic number, because the mean of its divisors is an integer number (41794200).

Almost surely, 2^905874020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 905874020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003060800).

905874020 is an abundant number, since it is smaller than the sum of its proper divisors (1100247580).

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

905874020 is a wasteful number, since it uses less digits than its factorization.

905874020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388 (or 4386 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 905874020 is about 30097.7411112529. The cubic root of 905874020 is about 967.5853143168.

The spelling of 905874020 in words is "nine hundred five million, eight hundred seventy-four thousand, twenty".