3858363640 has 32 divisors (see below), whose sum is σ = 8731514880. Its totient is φ = 1534421632.

The previous prime is 3858363601. The next prime is 3858363653. The reversal of 3858363640 is 463638583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271864 + ... + 285703.

It is an arithmetic number, because the mean of its divisors is an integer number (272859840).

Almost surely, 2^3858363640 is an apocalyptic number.

It is an amenable number.

3858363640 is an abundant number, since it is smaller than the sum of its proper divisors (4873151240).

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

3858363640 is a wasteful number, since it uses less digits than its factorization.

3858363640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557751 (or 557747 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 3858363640 is about 62115.7277990043. The cubic root of 3858363640 is about 1568.4393107787.

The spelling of 3858363640 in words is "three billion, eight hundred fifty-eight million, three hundred sixty-three thousand, six hundred forty".