5217438 has 16 divisors (see below), whose sum is σ = 10984320. Its totient is φ = 1647576.

The previous prime is 5217431. The next prime is 5217439. The reversal of 5217438 is 8347125.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217431) 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, 22770 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (686520).

Almost surely, 2^5217438 is an apocalyptic number.

5217438 is an abundant number, since it is smaller than the sum of its proper divisors (5766882).

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

5217438 is a wasteful number, since it uses less digits than its factorization.

5217438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45791.

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

The square root of 5217438 is about 2284.1711844781. The cubic root of 5217438 is about 173.4412649617.

The spelling of 5217438 in words is "five million, two hundred seventeen thousand, four hundred thirty-eight".