1438955 has 8 divisors (see below), whose sum is σ = 1973472. Its totient is φ = 986688.

The previous prime is 1438939. The next prime is 1438961. The reversal of 1438955 is 5598341.

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

It is a cyclic number.

It is not a de Polignac number, because 1438955 - 2⁴ = 1438939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 41113 = 1438955 / (1 + 4 + 3 + 8 + 9 + 5 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20522 + ... + 20591.

It is an arithmetic number, because the mean of its divisors is an integer number (246684).

2^1438955 is an apocalyptic number.

1438955 is a deficient number, since it is larger than the sum of its proper divisors (534517).

1438955 is an equidigital number, since it uses as much as digits as its factorization.

1438955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41125.

The product of its digits is 21600, while the sum is 35.

The square root of 1438955 is about 1199.5645043098. The cubic root of 1438955 is about 112.8970006706.

The spelling of 1438955 in words is "one million, four hundred thirty-eight thousand, nine hundred fifty-five".