2343820 has 12 divisors (see below), whose sum is σ = 4922064. Its totient is φ = 937520.

The previous prime is 2343799. The next prime is 2343833. The reversal of 2343820 is 283432.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 3⁹ + 4⁶ + 3¹⁰ + 8⁵ + 2²¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2343791 and 2343800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58576 + ... + 58615.

It is an arithmetic number, because the mean of its divisors is an integer number (410172).

2^2343820 is an apocalyptic number.

2343820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343820 is an abundant number, since it is smaller than the sum of its proper divisors (2578244).

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

2343820 is a wasteful number, since it uses less digits than its factorization.

2343820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117200 (or 117198 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2343820 is about 1530.9539509731. The cubic root of 2343820 is about 132.8336435542.

The spelling of 2343820 in words is "two million, three hundred forty-three thousand, eight hundred twenty".