2409247 has 6 divisors (see below), whose sum is σ = 2468472. Its totient is φ = 2351412.

The previous prime is 2409229. The next prime is 2409259. The reversal of 2409247 is 7429042.

2409247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2409247 is a prime.

It is a super-2 number, since 2×2409247² = 11608942214018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1198 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (411412).

2^2409247 is an apocalyptic number.

2409247 is a deficient number, since it is larger than the sum of its proper divisors (59225).

2409247 is an equidigital number, since it uses as much as digits as its factorization.

2409247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2409247 is about 1552.1749257091. The cubic root of 2409247 is about 134.0583209413.

The spelling of 2409247 in words is "two million, four hundred nine thousand, two hundred forty-seven".