1630382884 has 27 divisors (see below), whose sum is σ = 3091518003. Its totient is φ = 751999872.

The previous prime is 1630382851. The next prime is 1630382893. The reversal of 1630382884 is 4882830361.

The square root of 1630382884 is 40378.

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 922822884 + 707560000 = 30378^2 + 26600^2 .

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 1630382884.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1049052 + ... + 1050604.

Almost surely, 2^1630382884 is an apocalyptic number.

1630382884 is the 40378-th square number.

It is an amenable number.

1630382884 is a deficient number, since it is larger than the sum of its proper divisors (1461135119).

1630382884 is an equidigital number, since it uses as much as digits as its factorization.

1630382884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The cubic root of 1630382884 is about 1176.9640630348.

The spelling of 1630382884 in words is "one billion, six hundred thirty million, three hundred eighty-two thousand, eight hundred eighty-four".