1905233604 has 12 divisors (see below), whose sum is σ = 4445545104. Its totient is φ = 635077864.

The previous prime is 1905233597. The next prime is 1905233609. The reversal of 1905233604 is 4063325091.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1905233609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79384722 + ... + 79384745.

It is an arithmetic number, because the mean of its divisors is an integer number (370462092).

Almost surely, 2^1905233604 is an apocalyptic number.

It is an amenable number.

1905233604 is an abundant number, since it is smaller than the sum of its proper divisors (2540311500).

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

1905233604 is a wasteful number, since it uses less digits than its factorization.

1905233604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158769474 (or 158769472 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1905233604 is about 43648.9817063354. The cubic root of 1905233604 is about 1239.6985054377.

Adding to 1905233604 its reverse (4063325091), we get a palindrome (5968558695).

The spelling of 1905233604 in words is "one billion, nine hundred five million, two hundred thirty-three thousand, six hundred four".