985502408 has 36 divisors (see below), whose sum is σ = 2033086545. Its totient is φ = 447511680.

The previous prime is 985502387. The next prime is 985502411. The reversal of 985502408 is 804205589.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 947285284 + 38217124 = 30778^2 + 6182^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22198.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 976208 + ... + 977216.

Almost surely, 2^985502408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985502408

985502408 is an abundant number, since it is smaller than the sum of its proper divisors (1047584137).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

985502408 is a wasteful number, since it uses less digits than its factorization.

985502408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 985502408 is about 31392.7126575580. The cubic root of 985502408 is about 995.1439260502.

Multiplying 985502408 by its product of nonzero digits (115200), we get a square (113529877401600 = 10655040²).

The spelling of 985502408 in words is "nine hundred eighty-five million, five hundred two thousand, four hundred eight".