2409487 has 2 divisors, whose sum is σ = 2409488. Its totient is φ = 2409486.

The previous prime is 2409469. The next prime is 2409493. The reversal of 2409487 is 7849042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2409487 is a prime.

2409487 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2409437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204743 + 1204744.

It is an arithmetic number, because the mean of its divisors is an integer number (1204744).

2^2409487 is an apocalyptic number.

2409487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409487 is an equidigital number, since it uses as much as digits as its factorization.

2409487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2409487 is about 1552.2522346578. The cubic root of 2409487 is about 134.0627722531.

The spelling of 2409487 in words is "two million, four hundred nine thousand, four hundred eighty-seven".