2400047 has 8 divisors (see below), whose sum is σ = 2596944. Its totient is φ = 2204928.

The previous prime is 2400037. The next prime is 2400053. The reversal of 2400047 is 7400042.

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

It is a cyclic number.

It is not a de Polignac number, because 2400047 - 2⁴ = 2400031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2399998 and 2400034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328 + ... + 4850.

It is an arithmetic number, because the mean of its divisors is an integer number (324618).

2^2400047 is an apocalyptic number.

2400047 is a deficient number, since it is larger than the sum of its proper divisors (196897).

2400047 is a wasteful number, since it uses less digits than its factorization.

2400047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2400047 is about 1549.2085075935. The cubic root of 2400047 is about 133.8874639926.

Adding to 2400047 its reverse (7400042), we get a palindrome (9800089).

The spelling of 2400047 in words is "two million, four hundred thousand, forty-seven".