1438971 has 8 divisors (see below), whose sum is σ = 1942080. Its totient is φ = 947592.

The previous prime is 1438963. The next prime is 1438973. The reversal of 1438971 is 1798341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1438971 - 2³ = 1438963 is a prime.

1438971 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (242760).

2^1438971 is an apocalyptic number.

1438971 is a deficient number, since it is larger than the sum of its proper divisors (503109).

1438971 is an equidigital number, since it uses as much as digits as its factorization.

1438971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865.

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

The square root of 1438971 is about 1199.5711733782. The cubic root of 1438971 is about 112.8974191097.

The spelling of 1438971 in words is "one million, four hundred thirty-eight thousand, nine hundred seventy-one".