386827650 has 240 divisors, whose sum is σ = 1236929760. Its totient is φ = 88646400.

The previous prime is 386827633. The next prime is 386827739. The reversal of 386827650 is 56728683.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 386827596 and 386827605.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 846222 + ... + 846678.

It is an arithmetic number, because the mean of its divisors is an integer number (5153874).

Almost surely, 2^386827650 is an apocalyptic number.

386827650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 386827650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618464880).

386827650 is an abundant number, since it is smaller than the sum of its proper divisors (850102110).

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

386827650 is a wasteful number, since it uses less digits than its factorization.

386827650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 386827650 is about 19667.9345636495. The cubic root of 386827650 is about 728.6279664479.

The spelling of 386827650 in words is "three hundred eighty-six million, eight hundred twenty-seven thousand, six hundred fifty".