2023650 has 48 divisors (see below), whose sum is σ = 5580000. Its totient is φ = 539280.

The previous prime is 2023639. The next prime is 2023661. The reversal of 2023650 is 563202.

It is an interprime number because it is at equal distance from previous prime (2023639) and next prime (2023661).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2¹⁶ + 0 + 2¹⁸ + 3⁶ + 6⁸ + 5⁶ + 0 .

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 601 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (116250).

2^2023650 is an apocalyptic number.

2023650 is the 900-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2790000).

2023650 is an abundant number, since it is smaller than the sum of its proper divisors (3556350).

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

2023650 is a wasteful number, since it uses less digits than its factorization.

2023650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2023650 is about 1422.5505263434. The cubic root of 2023650 is about 126.4867791231.

Adding to 2023650 its reverse (563202), we get a palindrome (2586852).

The spelling of 2023650 in words is "two million, twenty-three thousand, six hundred fifty".