1629314986 has 64 divisors (see below), whose sum is σ = 2923216128. Its totient is φ = 673440768.

The previous prime is 1629314933. The next prime is 1629314993. The reversal of 1629314986 is 6894139261.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2978365 + ... + 2978911.

It is an arithmetic number, because the mean of its divisors is an integer number (45675252).

Almost surely, 2^1629314986 is an apocalyptic number.

1629314986 is a deficient number, since it is larger than the sum of its proper divisors (1293901142).

1629314986 is a wasteful number, since it uses less digits than its factorization.

1629314986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its digits is 559872, while the sum is 49.

The square root of 1629314986 is about 40364.7740734418. The cubic root of 1629314986 is about 1176.7070370935.

The spelling of 1629314986 in words is "one billion, six hundred twenty-nine million, three hundred fourteen thousand, nine hundred eighty-six".