3857836500 has 144 divisors (see below), whose sum is σ = 13908900096. Its totient is φ = 881784000.

The previous prime is 3857836471. The next prime is 3857836523. The reversal of 3857836500 is 56387583.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 29736 + ... + 92735.

It is an arithmetic number, because the mean of its divisors is an integer number (96589584).

Almost surely, 2^3857836500 is an apocalyptic number.

3857836500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3857836500 is an abundant number, since it is smaller than the sum of its proper divisors (10051063596).

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

3857836500 is a wasteful number, since it uses less digits than its factorization.

3857836500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122503 (or 122488 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 3857836500 is about 62111.4844453101. The cubic root of 3857836500 is about 1568.3678793956.

It can be divided in two parts, 38578 and 36500, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 3857836500 in words is "three billion, eight hundred fifty-seven million, eight hundred thirty-six thousand, five hundred".