1039998 has 32 divisors (see below), whose sum is σ = 2217600. Its totient is φ = 324576.

The previous prime is 1039979. The next prime is 1039999. The reversal of 1039998 is 8999301.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7413 + ... + 7551.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2^1039998 is an apocalyptic number.

1039998 is an abundant number, since it is smaller than the sum of its proper divisors (1177602).

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

1039998 is a wasteful number, since it uses less digits than its factorization.

1039998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1039998 is about 1019.8029221374. The cubic root of 1039998 is about 101.3158754359.

It can be divided in two parts, 103 and 9998, that added together give a palindrome (10101).

The spelling of 1039998 in words is "one million, thirty-nine thousand, nine hundred ninety-eight".