386928282 has 32 divisors (see below), whose sum is σ = 834144192. Its totient is φ = 118946304.

The previous prime is 386928263. The next prime is 386928337. The reversal of 386928282 is 282829683.

It is a super-2 number, since 2×386928282² = 299426990822943048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144298 + ... + 146954.

It is an arithmetic number, because the mean of its divisors is an integer number (26067006).

Almost surely, 2^386928282 is an apocalyptic number.

386928282 is an abundant number, since it is smaller than the sum of its proper divisors (447215910).

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

386928282 is a wasteful number, since it uses less digits than its factorization.

386928282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542.

The product of its digits is 663552, while the sum is 48.

The square root of 386928282 is about 19670.4926730369. The cubic root of 386928282 is about 728.6911443965.

The spelling of 386928282 in words is "three hundred eighty-six million, nine hundred twenty-eight thousand, two hundred eighty-two".