990941853 has 16 divisors (see below), whose sum is σ = 1447675200. Its totient is φ = 597943680.

The previous prime is 990941851. The next prime is 990941863. The reversal of 990941853 is 358149099.

It is not a de Polignac number, because 990941853 - 2¹ = 990941851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990941851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58008 + ... + 73121.

It is an arithmetic number, because the mean of its divisors is an integer number (90479700).

Almost surely, 2^990941853 is an apocalyptic number.

It is an amenable number.

990941853 is a deficient number, since it is larger than the sum of its proper divisors (456733347).

990941853 is a wasteful number, since it uses less digits than its factorization.

990941853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131372.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 990941853 is about 31479.2289136821. The cubic root of 990941853 is about 996.9714548402.

The spelling of 990941853 in words is "nine hundred ninety million, nine hundred forty-one thousand, eight hundred fifty-three".