2493220 has 24 divisors (see below), whose sum is σ = 5544504. Its totient is φ = 938496.

The previous prime is 2493193. The next prime is 2493221. The reversal of 2493220 is 223942.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 2458624 = 186^2 + 1568^2 .

It is a super-2 number, since 2×2493220² = 12432291936800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2493191 and 2493200.

It is not an unprimeable number, because it can be changed into a prime (2493221) 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, 3327 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (231021).

2^2493220 is an apocalyptic number.

2493220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2493220 is an abundant number, since it is smaller than the sum of its proper divisors (3051284).

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

2493220 is a wasteful number, since it uses less digits than its factorization.

2493220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359 (or 7357 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2493220 is about 1578.9933502077. The cubic root of 2493220 is about 135.5980780728.

The spelling of 2493220 in words is "two million, four hundred ninety-three thousand, two hundred twenty".