1386828372 has 48 divisors (see below), whose sum is σ = 3351479040. Its totient is φ = 445807488.

The previous prime is 1386828371. The next prime is 1386828383. The reversal of 1386828372 is 2738286831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386828371) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 382038 + ... + 385650.

It is an arithmetic number, because the mean of its divisors is an integer number (69822480).

Almost surely, 2^1386828372 is an apocalyptic number.

1386828372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1386828372 is an abundant number, since it is smaller than the sum of its proper divisors (1964650668).

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

1386828372 is a wasteful number, since it uses less digits than its factorization.

1386828372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 4750 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 1386828372 is about 37240.1446291499. The cubic root of 1386828372 is about 1115.1695592311.

The spelling of 1386828372 in words is "one billion, three hundred eighty-six million, eight hundred twenty-eight thousand, three hundred seventy-two".