5638238 has 16 divisors (see below), whose sum is σ = 8966160. Its totient is φ = 2654400.

The previous prime is 5638229. The next prime is 5638247. The reversal of 5638238 is 8328365.

It is an interprime number because it is at equal distance from previous prime (5638229) and next prime (5638247).

It is a junction number, because it is equal to n+sod(n) for n = 5638198 and 5638207.

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, 1193 + ... + 3563.

It is an arithmetic number, because the mean of its divisors is an integer number (560385).

Almost surely, 2^5638238 is an apocalyptic number.

5638238 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5638238 is a deficient number, since it is larger than the sum of its proper divisors (3327922).

5638238 is a wasteful number, since it uses less digits than its factorization.

5638238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443.

The product of its digits is 34560, while the sum is 35.

The square root of 5638238 is about 2374.4974205082. The cubic root of 5638238 is about 177.9840704509.

The spelling of 5638238 in words is "five million, six hundred thirty-eight thousand, two hundred thirty-eight".