985021430 has 16 divisors (see below), whose sum is σ = 1806493104. Its totient is φ = 386574240.

The previous prime is 985021423. The next prime is 985021447. The reversal of 985021430 is 34120589.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928736 + ... + 929795.

It is an arithmetic number, because the mean of its divisors is an integer number (112905819).

Almost surely, 2^985021430 is an apocalyptic number.

985021430 is a deficient number, since it is larger than the sum of its proper divisors (821471674).

985021430 is a wasteful number, since it uses less digits than its factorization.

985021430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858591.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 985021430 is about 31385.0510593818. The cubic root of 985021430 is about 994.9820051795.

The spelling of 985021430 in words is "nine hundred eighty-five million, twenty-one thousand, four hundred thirty".