1438475 has 12 divisors (see below), whose sum is σ = 1799736. Its totient is φ = 1140480.

The previous prime is 1438457. The next prime is 1438477. The reversal of 1438475 is 5748341.

It is not a de Polignac number, because 1438475 - 2¹⁰ = 1437451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1438477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3899 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (149978).

2^1438475 is an apocalyptic number.

1438475 is a deficient number, since it is larger than the sum of its proper divisors (361261).

1438475 is a wasteful number, since it uses less digits than its factorization.

1438475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 521 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 1438475 is about 1199.3644150132. The cubic root of 1438475 is about 112.8844460535.

The spelling of 1438475 in words is "one million, four hundred thirty-eight thousand, four hundred seventy-five".