1438497 has 6 divisors (see below), whose sum is σ = 2077842. Its totient is φ = 958992.

The previous prime is 1438483. The next prime is 1438501. The reversal of 1438497 is 7948341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 772641 + 665856 = 879^2 + 816^2 .

It is not a de Polignac number, because 1438497 - 2¹⁶ = 1372961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1438417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79908 + ... + 79925.

It is an arithmetic number, because the mean of its divisors is an integer number (346307).

2^1438497 is an apocalyptic number.

It is an amenable number.

1438497 is a deficient number, since it is larger than the sum of its proper divisors (639345).

1438497 is a wasteful number, since it uses less digits than its factorization.

1438497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159839 (or 159836 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1438497 is about 1199.3735865026. The cubic root of 1438497 is about 112.8850215345.

The spelling of 1438497 in words is "one million, four hundred thirty-eight thousand, four hundred ninety-seven".