1628282401 has 32 divisors (see below), whose sum is σ = 1798018560. Its totient is φ = 1469766144.

The previous prime is 1628282393. The next prime is 1628282407. The reversal of 1628282401 is 1042828261.

It is a cyclic number.

It is not a de Polignac number, because 1628282401 - 2³ = 1628282393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1628282407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9411951 + ... + 9412123.

It is an arithmetic number, because the mean of its divisors is an integer number (56188080).

Almost surely, 2^1628282401 is an apocalyptic number.

It is an amenable number.

1628282401 is a deficient number, since it is larger than the sum of its proper divisors (169736159).

1628282401 is a wasteful number, since it uses less digits than its factorization.

1628282401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1628282401 is about 40351.9813763835. The cubic root of 1628282401 is about 1176.4584036048.

The spelling of 1628282401 in words is "one billion, six hundred twenty-eight million, two hundred eighty-two thousand, four hundred one".