985357403 has 4 divisors (see below), whose sum is σ = 985825848. Its totient is φ = 984888960.

The previous prime is 985357393. The next prime is 985357433. The reversal of 985357403 is 304753589.

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

It is a cyclic number.

It is not a de Polignac number, because 985357403 - 2⁸ = 985357147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985357433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231053 + ... + 235278.

It is an arithmetic number, because the mean of its divisors is an integer number (246456462).

Almost surely, 2^985357403 is an apocalyptic number.

985357403 is a deficient number, since it is larger than the sum of its proper divisors (468445).

985357403 is a wasteful number, since it uses less digits than its factorization.

985357403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468444.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 985357403 is about 31390.4030397827. The cubic root of 985357403 is about 995.0951157778.

The spelling of 985357403 in words is "nine hundred eighty-five million, three hundred fifty-seven thousand, four hundred three".