1628479 has 4 divisors (see below), whose sum is σ = 1668240. Its totient is φ = 1588720.

The previous prime is 1628477. The next prime is 1628489. The reversal of 1628479 is 9748261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9748261 = 1789 ⋅5449.

It is a cyclic number.

It is not a de Polignac number, because 1628479 - 2¹ = 1628477 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 (1628477) 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 3 ways as a sum of consecutive naturals, for example, 19819 + ... + 19900.

It is an arithmetic number, because the mean of its divisors is an integer number (417060).

2^1628479 is an apocalyptic number.

1628479 is a deficient number, since it is larger than the sum of its proper divisors (39761).

1628479 is an equidigital number, since it uses as much as digits as its factorization.

1628479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39760.

The product of its digits is 24192, while the sum is 37.

The square root of 1628479 is about 1276.1187248842. The cubic root of 1628479 is about 117.6505750273.

The spelling of 1628479 in words is "one million, six hundred twenty-eight thousand, four hundred seventy-nine".