1386629088 has 48 divisors (see below), whose sum is σ = 3919897296. Its totient is φ = 426654720.

The previous prime is 1386629051. The next prime is 1386629099. The reversal of 1386629088 is 8809266831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1386629088.

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, 554293 + ... + 556788.

It is an arithmetic number, because the mean of its divisors is an integer number (81664527).

Almost surely, 2^1386629088 is an apocalyptic number.

It is an amenable number.

1386629088 is an abundant number, since it is smaller than the sum of its proper divisors (2533268208).

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

1386629088 is a wasteful number, since it uses less digits than its factorization.

1386629088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111107 (or 1111099 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 1386629088 is about 37237.4688720917. The cubic root of 1386629088 is about 1115.1161409181.

The spelling of 1386629088 in words is "one billion, three hundred eighty-six million, six hundred twenty-nine thousand, eighty-eight".