1905497104 has 45 divisors (see below), whose sum is σ = 4297416447. Its totient is φ = 816117792.

The previous prime is 1905497101. The next prime is 1905497129. The reversal of 1905497104 is 4017945091.

The square root of 1905497104 is 43652.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1905497101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1221477 + ... + 1223035.

Almost surely, 2^1905497104 is an apocalyptic number.

1905497104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1905497104 is the 43652-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1905497104

1905497104 is an abundant number, since it is smaller than the sum of its proper divisors (2391919343).

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

1905497104 is an frugal number, since it uses more digits than its factorization.

1905497104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The cubic root of 1905497104 is about 1239.7556542474.

The spelling of 1905497104 in words is "one billion, nine hundred five million, four hundred ninety-seven thousand, one hundred four".