890143625 has 16 divisors (see below), whose sum is σ = 1269600384. Its totient is φ = 610383600.

The previous prime is 890143619. The next prime is 890143633. The reversal of 890143625 is 526341098.

It is a happy number.

It is not a de Polignac number, because 890143625 - 2¹⁰ = 890142601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507779 + ... + 509528.

It is an arithmetic number, because the mean of its divisors is an integer number (79350024).

Almost surely, 2^890143625 is an apocalyptic number.

It is an amenable number.

890143625 is a deficient number, since it is larger than the sum of its proper divisors (379456759).

890143625 is a wasteful number, since it uses less digits than its factorization.

890143625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017329 (or 1017319 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 890143625 is about 29835.2748437148. The cubic root of 890143625 is about 961.9519114883.

The spelling of 890143625 in words is "eight hundred ninety million, one hundred forty-three thousand, six hundred twenty-five".