1998627 has 8 divisors (see below), whose sum is σ = 2730000. Its totient is φ = 1299840.

The previous prime is 1998617. The next prime is 1998637. The reversal of 1998627 is 7268991.

It is an interprime number because it is at equal distance from previous prime (1998617) and next prime (1998637).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1998627 - 2⁴ = 1998611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1998617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8002 + ... + 8247.

It is an arithmetic number, because the mean of its divisors is an integer number (341250).

2^1998627 is an apocalyptic number.

1998627 is a deficient number, since it is larger than the sum of its proper divisors (731373).

1998627 is a wasteful number, since it uses less digits than its factorization.

1998627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16293.

The product of its digits is 54432, while the sum is 42.

The square root of 1998627 is about 1413.7280502275. The cubic root of 1998627 is about 125.9632671961.

The spelling of 1998627 in words is "one million, nine hundred ninety-eight thousand, six hundred twenty-seven".