1392538 has 16 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 561600.

The previous prime is 1392527. The next prime is 1392539. The reversal of 1392538 is 8352931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1392539) 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 7 ways as a sum of consecutive naturals, for example, 2688 + ... + 3163.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^1392538 is an apocalyptic number.

1392538 is a deficient number, since it is larger than the sum of its proper divisors (1135526).

1392538 is a wasteful number, since it uses less digits than its factorization.

1392538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877.

The product of its digits is 6480, while the sum is 31.

The square root of 1392538 is about 1180.0584731275. The cubic root of 1392538 is about 111.6697863043.

The spelling of 1392538 in words is "one million, three hundred ninety-two thousand, five hundred thirty-eight".