1386326484 has 36 divisors (see below), whose sum is σ = 3505506004. Its totient is φ = 461953152.

The previous prime is 1386326483. The next prime is 1386326503. The reversal of 1386326484 is 4846236831.

1386326484 is a `hidden beast` number, since 1 + 3 + 8 + 632 + 6 + 4 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 145878084 + 1240448400 = 12078^2 + 35220^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1386326484² = 3843802240479604512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386326483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161304 + ... + 169680.

Almost surely, 2^1386326484 is an apocalyptic number.

It is an amenable number.

1386326484 is an abundant number, since it is smaller than the sum of its proper divisors (2119179520).

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

1386326484 is a wasteful number, since it uses less digits than its factorization.

1386326484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12984 (or 12979 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 1386326484 is about 37233.4054848600. The cubic root of 1386326484 is about 1115.0350177692.

The spelling of 1386326484 in words is "one billion, three hundred eighty-six million, three hundred twenty-six thousand, four hundred eighty-four".