1009487 has 2 divisors, whose sum is σ = 1009488. Its totient is φ = 1009486.

The previous prime is 1009483. The next prime is 1009499. The reversal of 1009487 is 7849001.

It is a weak prime.

It is an emirp because it is prime and its reverse (7849001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009487 - 2² = 1009483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504743 + 504744.

It is an arithmetic number, because the mean of its divisors is an integer number (504744).

2^1009487 is an apocalyptic number.

1009487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009487 is an equidigital number, since it uses as much as digits as its factorization.

1009487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1009487 is about 1004.7323026558. The cubic root of 1009487 is about 100.3152385358.

The spelling of 1009487 in words is "one million, nine thousand, four hundred eighty-seven".