2303620 has 48 divisors (see below), whose sum is σ = 5439168. Its totient is φ = 812160.

The previous prime is 2303599. The next prime is 2303621. The reversal of 2303620 is 263032.

2303620 = T₅₆ + T₅₇ + ... + T₂₄₀.

It is a d-powerful number, because it can be written as 2⁷ + 3¹² + 0 + 3¹³ + 6⁶ + 2¹⁷ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2303594 and 2303603.

It is not an unprimeable number, because it can be changed into a prime (2303621) 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, 7999 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (113316).

2^2303620 is an apocalyptic number.

2303620 is a gapful number since it is divisible by the number (20) 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 2303620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2719584).

2303620 is an abundant number, since it is smaller than the sum of its proper divisors (3135548).

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

2303620 is a wasteful number, since it uses less digits than its factorization.

2303620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2303620 is about 1517.7680982284. The cubic root of 2303620 is about 132.0698283739.

Adding to 2303620 its reverse (263032), we get a palindrome (2566652).

The spelling of 2303620 in words is "two million, three hundred three thousand, six hundred twenty".