998000629 has 4 divisors (see below), whose sum is σ = 999909376. Its totient is φ = 996091884.

The previous prime is 998000611. The next prime is 998000651. The reversal of 998000629 is 926000899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 998000629 - 2⁷ = 998000501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998006629) 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, 953589 + ... + 954634.

It is an arithmetic number, because the mean of its divisors is an integer number (249977344).

Almost surely, 2^998000629 is an apocalyptic number.

It is an amenable number.

998000629 is a deficient number, since it is larger than the sum of its proper divisors (1908747).

998000629 is a wasteful number, since it uses less digits than its factorization.

998000629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908746.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 998000629 is about 31591.1479531846. The cubic root of 998000629 is about 999.3330983410. Note that the first 3 decimals are identical.

The spelling of 998000629 in words is "nine hundred ninety-eight million, six hundred twenty-nine", and thus it is an aban number.