1000479 has 4 divisors (see below), whose sum is σ = 1333976. Its totient is φ = 666984.

The previous prime is 1000457. The next prime is 1000507. The reversal of 1000479 is 9740001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1000479 - 2¹⁶ = 934943 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000409) 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 3 ways as a sum of consecutive naturals, for example, 166744 + ... + 166749.

It is an arithmetic number, because the mean of its divisors is an integer number (333494).

2^1000479 is an apocalyptic number.

1000479 is a deficient number, since it is larger than the sum of its proper divisors (333497).

1000479 is an equidigital number, since it uses as much as digits as its factorization.

1000479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333496.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1000479 is about 1000.2394713267. The cubic root of 1000479 is about 100.0159641180.

The spelling of 1000479 in words is "one million, four hundred seventy-nine", and thus it is an aban number.