985139367 has 32 divisors (see below), whose sum is σ = 1383540480. Its totient is φ = 622675200.

The previous prime is 985139347. The next prime is 985139371. The reversal of 985139367 is 763931589.

It is not a de Polignac number, because 985139367 - 2¹¹ = 985137319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985139327) 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, 1638867 + ... + 1639467.

It is an arithmetic number, because the mean of its divisors is an integer number (43235640).

Almost surely, 2^985139367 is an apocalyptic number.

985139367 is a deficient number, since it is larger than the sum of its proper divisors (398401113).

985139367 is a wasteful number, since it uses less digits than its factorization.

985139367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 1224720, while the sum is 51.

The square root of 985139367 is about 31386.9298753478. The cubic root of 985139367 is about 995.0217134559.

It can be divided in two parts, 98513 and 9367, that added together give a triangular number (107880 = T₄₆₄).

The spelling of 985139367 in words is "nine hundred eighty-five million, one hundred thirty-nine thousand, three hundred sixty-seven".