1396543808 has 56 divisors (see below), whose sum is σ = 3154680000. Its totient is φ = 607185920.

The previous prime is 1396543793. The next prime is 1396543891. The reversal of 1396543808 is 8083456931.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26933 + ... + 59316.

Almost surely, 2^1396543808 is an apocalyptic number.

It is an amenable number.

1396543808 is an abundant number, since it is smaller than the sum of its proper divisors (1758136192).

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

1396543808 is a wasteful number, since it uses less digits than its factorization.

1396543808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86295 (or 86285 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1396543808 is about 37370.3600196733. The cubic root of 1396543808 is about 1117.7676111724.

The spelling of 1396543808 in words is "one billion, three hundred ninety-six million, five hundred forty-three thousand, eight hundred eight".