1386853972 has 48 divisors (see below), whose sum is σ = 2832504192. Its totient is φ = 581898240.

The previous prime is 1386853933. The next prime is 1386853973. The reversal of 1386853972 is 2793586831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386853973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259972 + ... + 265252.

It is an arithmetic number, because the mean of its divisors is an integer number (59010504).

Almost surely, 2^1386853972 is an apocalyptic number.

It is an amenable number.

1386853972 is an abundant number, since it is smaller than the sum of its proper divisors (1445650220).

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

1386853972 is a wasteful number, since it uses less digits than its factorization.

1386853972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488 (or 5486 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 1386853972 is about 37240.4883426627. The cubic root of 1386853972 is about 1115.1764209706.

The spelling of 1386853972 in words is "one billion, three hundred eighty-six million, eight hundred fifty-three thousand, nine hundred seventy-two".