1386054216 has 24 divisors (see below), whose sum is σ = 3753897030. Its totient is φ = 462018048.

The previous prime is 1386054191. The next prime is 1386054223. The reversal of 1386054216 is 6124506831.

It is a happy number.

1386054216 is a `hidden beast` number, since 1 + 3 + 8 + 605 + 42 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1372702500 + 13351716 = 37050^2 + 3654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1386054216² = 3842292579382749312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9625305 + ... + 9625448.

Almost surely, 2^1386054216 is an apocalyptic number.

It is an amenable number.

1386054216 is an abundant number, since it is smaller than the sum of its proper divisors (2367842814).

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

1386054216 is a wasteful number, since it uses less digits than its factorization.

1386054216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250765 (or 19250758 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1386054216 is about 37229.7490724823. The cubic root of 1386054216 is about 1114.9620171125.

The spelling of 1386054216 in words is "one billion, three hundred eighty-six million, fifty-four thousand, two hundred sixteen".