1438197 has 16 divisors (see below), whose sum is σ = 2023680. Its totient is φ = 907200.

The previous prime is 1438181. The next prime is 1438207. The reversal of 1438197 is 7918341.

1438197 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 1438197 - 2⁴ = 1438181 is a prime.

It is a super-2 number, since 2×1438197² = 4136821221618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5172 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

2^1438197 is an apocalyptic number.

It is an amenable number.

1438197 is a deficient number, since it is larger than the sum of its proper divisors (585483).

1438197 is a wasteful number, since it uses less digits than its factorization.

1438197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 6048, while the sum is 33.

The square root of 1438197 is about 1199.2485146958. The cubic root of 1438197 is about 112.8771735606.

The spelling of 1438197 in words is "one million, four hundred thirty-eight thousand, one hundred ninety-seven".