3856794390 has 48 divisors (see below), whose sum is σ = 10373454000. Its totient is φ = 993013056.

The previous prime is 3856794367. The next prime is 3856794391. The reversal of 3856794390 is 934976583.

3856794390 is a `hidden beast` number, since 38 + 567 + 9 + 43 + 9 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856794391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736240 + ... + 741459.

It is an arithmetic number, because the mean of its divisors is an integer number (216113625).

Almost surely, 2^3856794390 is an apocalyptic number.

3856794390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3856794390 is an abundant number, since it is smaller than the sum of its proper divisors (6516659610).

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

3856794390 is a wasteful number, since it uses less digits than its factorization.

3856794390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477741 (or 1477738 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 3856794390 is about 62103.0948504179. The cubic root of 3856794390 is about 1568.2266466053.

The spelling of 3856794390 in words is "three billion, eight hundred fifty-six million, seven hundred ninety-four thousand, three hundred ninety".