1388676632 has 32 divisors (see below), whose sum is σ = 2979050400. Its totient is φ = 594484224.

The previous prime is 1388676631. The next prime is 1388676649. The reversal of 1388676632 is 2366768831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388676631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38678 + ... + 65370.

It is an arithmetic number, because the mean of its divisors is an integer number (93095325).

Almost surely, 2^1388676632 is an apocalyptic number.

It is an amenable number.

1388676632 is an abundant number, since it is smaller than the sum of its proper divisors (1590373768).

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

1388676632 is a wasteful number, since it uses less digits than its factorization.

1388676632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27635 (or 27631 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 1388676632 is about 37264.9517911938. The cubic root of 1388676632 is about 1115.6647438726.

The spelling of 1388676632 in words is "one billion, three hundred eighty-eight million, six hundred seventy-six thousand, six hundred thirty-two".