1883994025 has 9 divisors (see below), whose sum is σ = 2336421733. Its totient is φ = 1507021600.

The previous prime is 1883994023. The next prime is 1883994059. The reversal of 1883994025 is 5204993881.

The square root of 1883994025 is 43405.

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

It can be written as a sum of positive squares in 4 ways, for example, as 82500889 + 1801493136 = 9083^2 + 42444^2 .

It is not a de Polignac number, because 1883994025 - 2¹ = 1883994023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1883994025.

It is not an unprimeable number, because it can be changed into a prime (1883994023) 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 8 ways as a sum of consecutive naturals, for example, 212685 + ... + 221365.

Almost surely, 2^1883994025 is an apocalyptic number.

1883994025 is the 43405-th square number.

1883994025 is the 21703-rd centered octagonal number.

It is an amenable number.

1883994025 is a deficient number, since it is larger than the sum of its proper divisors (452427708).

1883994025 is an frugal number, since it uses more digits than its factorization.

1883994025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17372 (or 8686 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The cubic root of 1883994025 is about 1235.0745528052.

Multiplying 1883994025 by its sum of digits (49), we get a square (92315707225 = 303835²).

The spelling of 1883994025 in words is "one billion, eight hundred eighty-three million, nine hundred ninety-four thousand, twenty-five".