5172438 has 16 divisors (see below), whose sum is σ = 10391040. Its totient is φ = 1716456.

The previous prime is 5172407. The next prime is 5172449. The reversal of 5172438 is 8342715.

It is a super-2 number, since 2×5172438² = 53508229727688, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent 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, 370 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (649440).

Almost surely, 2^5172438 is an apocalyptic number.

5172438 is an abundant number, since it is smaller than the sum of its proper divisors (5218602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5172438 is a wasteful number, since it uses less digits than its factorization.

5172438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its digits is 6720, while the sum is 30.

The square root of 5172438 is about 2274.2994525787. The cubic root of 5172438 is about 172.9411853041.

The spelling of 5172438 in words is "five million, one hundred seventy-two thousand, four hundred thirty-eight".