3856434 has 8 divisors (see below), whose sum is σ = 7712880. Its totient is φ = 1285476.

The previous prime is 3856409. The next prime is 3856451. The reversal of 3856434 is 4346583.

3856434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3856434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3856395 and 3856404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321364 + ... + 321375.

It is an arithmetic number, because the mean of its divisors is an integer number (964110).

Almost surely, 2^3856434 is an apocalyptic number.

3856434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3856434 is a wasteful number, since it uses less digits than its factorization.

3856434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642744.

The product of its digits is 34560, while the sum is 33.

The square root of 3856434 is about 1963.7805376365. The cubic root of 3856434 is about 156.8177798542.

The spelling of 3856434 in words is "three million, eight hundred fifty-six thousand, four hundred thirty-four".