1628287342 has 16 divisors (see below), whose sum is σ = 2736484272. Its totient is φ = 720126720.

The previous prime is 1628287337. The next prime is 1628287361. The reversal of 1628287342 is 2437828261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999363 + ... + 1000990.

It is an arithmetic number, because the mean of its divisors is an integer number (171030267).

Almost surely, 2^1628287342 is an apocalyptic number.

1628287342 is a deficient number, since it is larger than the sum of its proper divisors (1108196930).

1628287342 is a wasteful number, since it uses less digits than its factorization.

1628287342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000403.

The product of its digits is 258048, while the sum is 43.

The square root of 1628287342 is about 40352.0426000965. The cubic root of 1628287342 is about 1176.4595935858.

The spelling of 1628287342 in words is "one billion, six hundred twenty-eight million, two hundred eighty-seven thousand, three hundred forty-two".