1628283904 has 99 divisors (see below), whose sum is σ = 3561331707. Its totient is φ = 743768064.

The previous prime is 1628283889. The next prime is 1628283913. The reversal of 1628283904 is 4093828261.

The square root of 1628283904 is 40352.

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 297493504 + 1330790400 = 17248^2 + 36480^2 .

It is a Duffinian number.

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, 16786384 + ... + 16786480.

Almost surely, 2^1628283904 is an apocalyptic number.

1628283904 is the 40352-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1628283904

1628283904 is an abundant number, since it is smaller than the sum of its proper divisors (1933047803).

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

1628283904 is an frugal number, since it uses more digits than its factorization.

1628283904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The cubic root of 1628283904 is about 1176.4587655847.

The spelling of 1628283904 in words is "one billion, six hundred twenty-eight million, two hundred eighty-three thousand, nine hundred four".