386064240 has 80 divisors (see below), whose sum is σ = 1238090400. Its totient is φ = 99398656.

The previous prime is 386064233. The next prime is 386064247. The reversal of 386064240 is 42460683.

It is an interprime number because it is at equal distance from previous prime (386064233) and next prime (386064247).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386064247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20775 + ... + 34694.

It is an arithmetic number, because the mean of its divisors is an integer number (15476130).

Almost surely, 2^386064240 is an apocalyptic number.

386064240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

386064240 is an abundant number, since it is smaller than the sum of its proper divisors (852026160).

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

386064240 is a wasteful number, since it uses less digits than its factorization.

386064240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55514 (or 55508 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 386064240 is about 19648.5175013282. The cubic root of 386064240 is about 728.1483314867.

The spelling of 386064240 in words is "three hundred eighty-six million, sixty-four thousand, two hundred forty".