2406243 has 12 divisors (see below), whose sum is σ = 3732360. Its totient is φ = 1374912.

The previous prime is 2406241. The next prime is 2406263. The reversal of 2406243 is 3426042.

It is not a de Polignac number, because 2406243 - 2¹ = 2406241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a d-powerful number, because it can be written as 2⁵ + 4² + 0 + 6⁶ + 2²¹ + 4⁹ + 3⁵ .

2406243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2406241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8038 + ... + 8331.

It is an arithmetic number, because the mean of its divisors is an integer number (311030).

2^2406243 is an apocalyptic number.

2406243 is a deficient number, since it is larger than the sum of its proper divisors (1326117).

2406243 is a wasteful number, since it uses less digits than its factorization.

2406243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16386 (or 16379 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2406243 is about 1551.2069494429. The cubic root of 2406243 is about 134.0025803320.

The spelling of 2406243 in words is "two million, four hundred six thousand, two hundred forty-three".