386132838 has 96 divisors (see below), whose sum is σ = 998968320. Its totient is φ = 98521920.

The previous prime is 386132833. The next prime is 386132881. The reversal of 386132838 is 838231683.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 386132838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386132833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116853 + ... + 120111.

It is an arithmetic number, because the mean of its divisors is an integer number (10405920).

Almost surely, 2^386132838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386132838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499484160).

386132838 is an abundant number, since it is smaller than the sum of its proper divisors (612835482).

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

386132838 is a wasteful number, since it uses less digits than its factorization.

386132838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322 (or 3315 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 386132838 is about 19650.2630516744. The cubic root of 386132838 is about 728.1914560550.

The spelling of 386132838 in words is "three hundred eighty-six million, one hundred thirty-two thousand, eight hundred thirty-eight".