1238479 has 4 divisors (see below), whose sum is σ = 1351080. Its totient is φ = 1125880.

The previous prime is 1238459. The next prime is 1238491. The reversal of 1238479 is 9748321.

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

It is a cyclic number.

It is not a de Polignac number, because 1238479 - 2⁹ = 1237967 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238429) 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, 56284 + ... + 56305.

It is an arithmetic number, because the mean of its divisors is an integer number (337770).

2^1238479 is an apocalyptic number.

1238479 is a deficient number, since it is larger than the sum of its proper divisors (112601).

1238479 is a wasteful number, since it uses less digits than its factorization.

1238479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112600.

The product of its digits is 12096, while the sum is 34.

The square root of 1238479 is about 1112.8697138479. The cubic root of 1238479 is about 107.3897626026.

The spelling of 1238479 in words is "one million, two hundred thirty-eight thousand, four hundred seventy-nine".