1386658845 has 192 divisors, whose sum is σ = 3064449024. Its totient is φ = 591909120.

The previous prime is 1386658807. The next prime is 1386658877. The reversal of 1386658845 is 5488566831.

1386658845 is a `hidden beast` number, since 13 + 8 + 6 + 6 + 588 + 45 = 666.

It is not a de Polignac number, because 1386658845 - 2⁹ = 1386658333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1386658791 and 1386658800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3995962 + ... + 3996308.

It is an arithmetic number, because the mean of its divisors is an integer number (15960672).

Almost surely, 2^1386658845 is an apocalyptic number.

1386658845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1386658845 is an abundant number, since it is smaller than the sum of its proper divisors (1677790179).

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

1386658845 is a wasteful number, since it uses less digits than its factorization.

1386658845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 402 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 1386658845 is about 37237.8684271804. The cubic root of 1386658845 is about 1115.1241176423.

The spelling of 1386658845 in words is "one billion, three hundred eighty-six million, six hundred fifty-eight thousand, eight hundred forty-five".