1538379 has 16 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 1017000.

The previous prime is 1538353. The next prime is 1538389. The reversal of 1538379 is 9738351.

It is not a de Polignac number, because 1538379 - 2⁹ = 1537867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1538389) 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 15 ways as a sum of consecutive naturals, for example, 6004 + ... + 6254.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^1538379 is an apocalyptic number.

1538379 is a deficient number, since it is larger than the sum of its proper divisors (759861).

1538379 is a wasteful number, since it uses less digits than its factorization.

1538379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1538379 is about 1240.3140731283. The cubic root of 1538379 is about 115.4395028095.

The spelling of 1538379 in words is "one million, five hundred thirty-eight thousand, three hundred seventy-nine".