985740405 has 32 divisors (see below), whose sum is σ = 1703358720. Its totient is φ = 483901440.

The previous prime is 985740403. The next prime is 985740407. The reversal of 985740405 is 504047589.

985740405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (985740403) and next prime (985740407).

It is not a de Polignac number, because 985740405 - 2¹ = 985740403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985740403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62965 + ... + 77045.

It is an arithmetic number, because the mean of its divisors is an integer number (53229960).

Almost surely, 2^985740405 is an apocalyptic number.

It is an amenable number.

985740405 is a deficient number, since it is larger than the sum of its proper divisors (717618315).

985740405 is a wasteful number, since it uses less digits than its factorization.

985740405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14461.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 985740405 is about 31396.5030696095. The cubic root of 985740405 is about 995.2240280720.

The spelling of 985740405 in words is "nine hundred eighty-five million, seven hundred forty thousand, four hundred five".