3812525838 has 72 divisors (see below), whose sum is σ = 9233897400. Its totient is φ = 1135691040.

The previous prime is 3812525789. The next prime is 3812525851. The reversal of 3812525838 is 8385252183.

3812525838 is a `hidden beast` number, since 3 + 8 + 12 + 52 + 583 + 8 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3812525793 and 3812525802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 113668 + ... + 143336.

It is an arithmetic number, because the mean of its divisors is an integer number (128248575).

Almost surely, 2^3812525838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3812525838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4616948700).

3812525838 is an abundant number, since it is smaller than the sum of its proper divisors (5421371562).

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

3812525838 is a wasteful number, since it uses less digits than its factorization.

3812525838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29758 (or 29744 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 3812525838 is about 61745.6544057960. The cubic root of 3812525838 is about 1562.2034714772.

The spelling of 3812525838 in words is "three billion, eight hundred twelve million, five hundred twenty-five thousand, eight hundred thirty-eight".