5621238 has 40 divisors (see below), whose sum is σ = 14398032. Its totient is φ = 1605744.

The previous prime is 5621221. The next prime is 5621243. The reversal of 5621238 is 8321265.

5621238 is a `hidden beast` number, since 5 + 621 + 2 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 1345 + ... + 3612.

Almost surely, 2^5621238 is an apocalyptic number.

5621238 is an abundant number, since it is smaller than the sum of its proper divisors (8776794).

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

5621238 is a wasteful number, since it uses less digits than its factorization.

5621238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978 (or 4969 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 5621238 is about 2370.9150132386. The cubic root of 5621238 is about 177.8050088784.

Adding to 5621238 its sum of digits (27), we get a palindrome (5621265).

The spelling of 5621238 in words is "five million, six hundred twenty-one thousand, two hundred thirty-eight".