3844525138 has 4 divisors (see below), whose sum is σ = 5766787710. Its totient is φ = 1922262568.

The previous prime is 3844525127. The next prime is 3844525159. The reversal of 3844525138 is 8315254483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1971626409 + 1872898729 = 44403^2 + 43277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3844525094 and 3844525103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961131283 + ... + 961131286.

Almost surely, 2^3844525138 is an apocalyptic number.

3844525138 is a deficient number, since it is larger than the sum of its proper divisors (1922262572).

3844525138 is a wasteful number, since it uses less digits than its factorization.

3844525138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922262571.

The product of its digits is 460800, while the sum is 43.

The square root of 3844525138 is about 62004.2348392430. The cubic root of 3844525138 is about 1566.5619301543.

The spelling of 3844525138 in words is "three billion, eight hundred forty-four million, five hundred twenty-five thousand, one hundred thirty-eight".