1009479 has 8 divisors (see below), whose sum is σ = 1360240. Its totient is φ = 665856.

The previous prime is 1009457. The next prime is 1009483. The reversal of 1009479 is 9749001.

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

It is a de Polignac number, because none of the positive numbers 2^k-1009479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009439) 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, 1444 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (170030).

2^1009479 is an apocalyptic number.

1009479 is a deficient number, since it is larger than the sum of its proper divisors (350761).

1009479 is an equidigital number, since it uses as much as digits as its factorization.

1009479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1009479 is about 1004.7283214880. The cubic root of 1009479 is about 100.3149735417.

The spelling of 1009479 in words is "one million, nine thousand, four hundred seventy-nine".