4086905438 has 48 divisors (see below), whose sum is σ = 7806674400. Its totient is φ = 1570440960.

The previous prime is 4086905369. The next prime is 4086905447. The reversal of 4086905438 is 8345096804.

It is a junction number, because it is equal to n+sod(n) for n = 4086905392 and 4086905401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107138 + ... + 140186.

It is an arithmetic number, because the mean of its divisors is an integer number (162639050).

Almost surely, 2^4086905438 is an apocalyptic number.

4086905438 is a deficient number, since it is larger than the sum of its proper divisors (3719768962).

4086905438 is a wasteful number, since it uses less digits than its factorization.

4086905438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33153 (or 33142 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 4086905438 is about 63928.9092508233. The cubic root of 4086905438 is about 1598.8149347190.

The spelling of 4086905438 in words is "four billion, eighty-six million, nine hundred five thousand, four hundred thirty-eight".