985834404 has 27 divisors (see below), whose sum is σ = 2492446593. Its totient is φ = 328548672.

The previous prime is 985834393. The next prime is 985834427. The reversal of 985834404 is 404438589.

It is a happy number.

The square root of 985834404 is 31398.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 949256100 + 36578304 = 30810^2 + 6048^2 .

It is a super-2 number, since 2×985834404² = 1943738944220070432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 985834404.

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, 185772 + ... + 191004.

Almost surely, 2^985834404 is an apocalyptic number.

985834404 is the 31398-th square number.

It is an amenable number.

985834404 is an abundant number, since it is smaller than the sum of its proper divisors (1506612189).

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

985834404 is an equidigital number, since it uses as much as digits as its factorization.

985834404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The cubic root of 985834404 is about 995.2556615154.

The spelling of 985834404 in words is "nine hundred eighty-five million, eight hundred thirty-four thousand, four hundred four".