998207925 has 96 divisors (see below), whose sum is σ = 1954208256. Its totient is φ = 443232000.

The previous prime is 998207923. The next prime is 998207953. The reversal of 998207925 is 529702899.

It is not a de Polignac number, because 998207925 - 2¹ = 998207923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998207923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1747890 + ... + 1748460.

It is an arithmetic number, because the mean of its divisors is an integer number (20356336).

Almost surely, 2^998207925 is an apocalyptic number.

It is an amenable number.

998207925 is a deficient number, since it is larger than the sum of its proper divisors (956000331).

998207925 is a wasteful number, since it uses less digits than its factorization.

998207925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 998207925 is about 31594.4287019088. The cubic root of 998207925 is about 999.4022844740.

The spelling of 998207925 in words is "nine hundred ninety-eight million, two hundred seven thousand, nine hundred twenty-five".