386630340 has 24 divisors (see below), whose sum is σ = 1082565120. Its totient is φ = 103101408.

The previous prime is 386630339. The next prime is 386630341. The reversal of 386630340 is 43036683.

It is an interprime number because it is at equal distance from previous prime (386630339) and next prime (386630341).

It is not an unprimeable number, because it can be changed into a prime (386630341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221860 + ... + 3221979.

It is an arithmetic number, because the mean of its divisors is an integer number (45106880).

Almost surely, 2^386630340 is an apocalyptic number.

386630340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

386630340 is an abundant number, since it is smaller than the sum of its proper divisors (695934780).

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

386630340 is a wasteful number, since it uses less digits than its factorization.

386630340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443851 (or 6443849 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 386630340 is about 19662.9178912999. The cubic root of 386630340 is about 728.5040611078.

The spelling of 386630340 in words is "three hundred eighty-six million, six hundred thirty thousand, three hundred forty".