1386589044 has 12 divisors (see below), whose sum is σ = 3235374464. Its totient is φ = 462196344.

The previous prime is 1386588997. The next prime is 1386589069. The reversal of 1386589044 is 4409856831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1386588984 and 1386589002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57774532 + ... + 57774555.

Almost surely, 2^1386589044 is an apocalyptic number.

It is an amenable number.

1386589044 is an abundant number, since it is smaller than the sum of its proper divisors (1848785420).

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

1386589044 is a wasteful number, since it uses less digits than its factorization.

1386589044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115549094 (or 115549092 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 1386589044 is about 37236.9311839738. The cubic root of 1386589044 is about 1115.1054064588.

The spelling of 1386589044 in words is "one billion, three hundred eighty-six million, five hundred eighty-nine thousand, forty-four".