998962625 has 8 divisors (see below), whose sum is σ = 1246705512. Its totient is φ = 799170000.

The previous prime is 998962561. The next prime is 998962633. The reversal of 998962625 is 526269899.

It can be written as a sum of positive squares in 4 ways, for example, as 43349056 + 955613569 = 6584^2 + 30913^2 .

It is not a de Polignac number, because 998962625 - 2⁶ = 998962561 is a prime.

It is a super-2 number, since 2×998962625² = 1995852652293781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3995726 + ... + 3995975.

It is an arithmetic number, because the mean of its divisors is an integer number (155838189).

Almost surely, 2^998962625 is an apocalyptic number.

It is an amenable number.

998962625 is a deficient number, since it is larger than the sum of its proper divisors (247742887).

998962625 is an equidigital number, since it uses as much as digits as its factorization.

998962625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991716 (or 7991706 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 56.

The square root of 998962625 is about 31606.3700066933. The cubic root of 998962625 is about 999.6540886925.

The spelling of 998962625 in words is "nine hundred ninety-eight million, nine hundred sixty-two thousand, six hundred twenty-five".