998009052 has 12 divisors (see below), whose sum is σ = 2328687816. Its totient is φ = 332669680.

The previous prime is 998009039. The next prime is 998009057. The reversal of 998009052 is 250900899.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 998008995 and 998009013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998009057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41583699 + ... + 41583722.

It is an arithmetic number, because the mean of its divisors is an integer number (194057318).

Almost surely, 2^998009052 is an apocalyptic number.

It is an amenable number.

998009052 is an abundant number, since it is smaller than the sum of its proper divisors (1330678764).

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

998009052 is a wasteful number, since it uses less digits than its factorization.

998009052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83167428 (or 83167426 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 998009052 is about 31591.2812655644. The cubic root of 998009052 is about 999.3359097484.

The spelling of 998009052 in words is "nine hundred ninety-eight million, nine thousand, fifty-two".