1386333880 has 16 divisors (see below), whose sum is σ = 3119251320. Its totient is φ = 554533536.

The previous prime is 1386333853. The next prime is 1386333887. The reversal of 1386333880 is 883336831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386333887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17329134 + ... + 17329213.

Almost surely, 2^1386333880 is an apocalyptic number.

1386333880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386333880 is an abundant number, since it is smaller than the sum of its proper divisors (1732917440).

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

1386333880 is a wasteful number, since it uses less digits than its factorization.

1386333880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34658358 (or 34658354 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1386333880 is about 37233.5048041411. The cubic root of 1386333880 is about 1115.0370006557.

The spelling of 1386333880 in words is "one billion, three hundred eighty-six million, three hundred thirty-three thousand, eight hundred eighty".