2443959 has 32 divisors (see below), whose sum is σ = 4221440. Its totient is φ = 1368576.

The previous prime is 2443949. The next prime is 2443963. The reversal of 2443959 is 9593442.

It is not a de Polignac number, because 2443959 - 2⁵ = 2443927 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (38880) is a multiple of the sum of its prime divisors (270).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12567 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (131920).

2^2443959 is an apocalyptic number.

2443959 is a deficient number, since it is larger than the sum of its proper divisors (1777481).

2443959 is a wasteful number, since it uses less digits than its factorization.

2443959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 270 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2443959 is about 1563.3166665778. The cubic root of 2443959 is about 134.6990828356.

The spelling of 2443959 in words is "two million, four hundred forty-three thousand, nine hundred fifty-nine".