10398020 has 36 divisors (see below), whose sum is σ = 22604652. Its totient is φ = 4017600.

The previous prime is 10398019. The next prime is 10398023. The reversal of 10398020 is 2089301.

It can be written as a sum of positive squares in 2 ways, for example, as 3936256 + 6461764 = 1984^2 + 2542^2 .

It is not an unprimeable number, because it can be changed into a prime (10398023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18950 + ... + 19490.

It is an arithmetic number, because the mean of its divisors is an integer number (627907).

Almost surely, 2^10398020 is an apocalyptic number.

10398020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10398020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11302326).

10398020 is an abundant number, since it is smaller than the sum of its proper divisors (12206632).

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

10398020 is a wasteful number, since it uses less digits than its factorization.

10398020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10398020 is about 3224.5960987386. The cubic root of 10398020 is about 218.2647234388.

The spelling of 10398020 in words is "ten million, three hundred ninety-eight thousand, twenty".