1538479 has 4 divisors (see below), whose sum is σ = 1591560. Its totient is φ = 1485400.

The previous prime is 1538473. The next prime is 1538491. The reversal of 1538479 is 9748351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9748351 = 3019 ⋅3229.

It is a cyclic number.

It is not a de Polignac number, because 1538479 - 2⁹ = 1537967 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26497 + ... + 26554.

It is an arithmetic number, because the mean of its divisors is an integer number (397890).

2^1538479 is an apocalyptic number.

1538479 is a deficient number, since it is larger than the sum of its proper divisors (53081).

1538479 is an equidigital number, since it uses as much as digits as its factorization.

1538479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53080.

The product of its digits is 30240, while the sum is 37.

The square root of 1538479 is about 1240.3543848433. The cubic root of 1538479 is about 115.4420040787.

The spelling of 1538479 in words is "one million, five hundred thirty-eight thousand, four hundred seventy-nine".