2443930 has 8 divisors (see below), whose sum is σ = 4399092. Its totient is φ = 977568.

The previous prime is 2443927. The next prime is 2443933. The reversal of 2443930 is 393442.

It is an interprime number because it is at equal distance from previous prime (2443927) and next prime (2443933).

It can be written as a sum of positive squares in 2 ways, for example, as 2442969 + 961 = 1563^2 + 31^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2443895 and 2443904.

It is not an unprimeable number, because it can be changed into a prime (2443933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122187 + ... + 122206.

2^2443930 is an apocalyptic number.

2443930 is a deficient number, since it is larger than the sum of its proper divisors (1955162).

2443930 is a wasteful number, since it uses less digits than its factorization.

2443930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244400.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2443930 is about 1563.3073913981. The cubic root of 2443930 is about 134.6985500540.

The spelling of 2443930 in words is "two million, four hundred forty-three thousand, nine hundred thirty".