605381904 has 80 divisors (see below), whose sum is σ = 1744203840. Its totient is φ = 201035520.

The previous prime is 605381899. The next prime is 605381923. The reversal of 605381904 is 409183506.

605381904 is a `hidden beast` number, since 605 + 38 + 19 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118899 + ... + 123885.

It is an arithmetic number, because the mean of its divisors is an integer number (21802548).

Almost surely, 2^605381904 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 605381904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872101920).

605381904 is an abundant number, since it is smaller than the sum of its proper divisors (1138821936).

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

605381904 is a wasteful number, since it uses less digits than its factorization.

605381904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285 (or 5273 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 605381904 is about 24604.5098305168. The cubic root of 605381904 is about 845.9469812355.

The spelling of 605381904 in words is "six hundred five million, three hundred eighty-one thousand, nine hundred four".