2394820 has 24 divisors (see below), whose sum is σ = 5203800. Its totient is φ = 924672.

The previous prime is 2394793. The next prime is 2394823. The reversal of 2394820 is 284932.

2394820 = 121² + 122² + ... + 207².

It can be written as a sum of positive squares in 4 ways, for example, as 298116 + 2096704 = 546^2 + 1448^2 .

It is not an unprimeable number, because it can be changed into a prime (2394823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (216825).

2^2394820 is an apocalyptic number.

2394820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2394820 is an abundant number, since it is smaller than the sum of its proper divisors (2808980).

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

2394820 is a wasteful number, since it uses less digits than its factorization.

2394820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4165 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2394820 is about 1547.5205976012. The cubic root of 2394820 is about 133.7901966701.

The spelling of 2394820 in words is "two million, three hundred ninety-four thousand, eight hundred twenty".