3800215625 has 12 divisors (see below), whose sum is σ = 4749969420. Its totient is φ = 3040170000.

The previous prime is 3800215603. The next prime is 3800215633. The reversal of 3800215625 is 5265120083.

It can be written as a sum of positive squares in 6 ways, for example, as 2885516089 + 914699536 = 53717^2 + 30244^2 .

It is not a de Polignac number, because 3800215625 - 2⁶ = 3800215561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3800215591 and 3800215600.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604910 + ... + 611159.

It is an arithmetic number, because the mean of its divisors is an integer number (395830785).

Almost surely, 2^3800215625 is an apocalyptic number.

It is an amenable number.

3800215625 is a deficient number, since it is larger than the sum of its proper divisors (949753795).

3800215625 is an frugal number, since it uses more digits than its factorization.

3800215625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216094 (or 1216074 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 3800215625 is about 61645.8889545767. Note that the first 3 decimals coincide. The cubic root of 3800215625 is about 1560.5202660109.

The spelling of 3800215625 in words is "three billion, eight hundred million, two hundred fifteen thousand, six hundred twenty-five".