5638415 has 4 divisors (see below), whose sum is σ = 6766104. Its totient is φ = 4510728.

The previous prime is 5638411. The next prime is 5638429. The reversal of 5638415 is 5148365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5638415 - 2² = 5638411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563837 + ... + 563846.

It is an arithmetic number, because the mean of its divisors is an integer number (1691526).

Almost surely, 2^5638415 is an apocalyptic number.

5638415 is a deficient number, since it is larger than the sum of its proper divisors (1127689).

5638415 is a wasteful number, since it uses less digits than its factorization.

5638415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127688.

The product of its digits is 14400, while the sum is 32.

The square root of 5638415 is about 2374.5346912606. The cubic root of 5638415 is about 177.9859329034.

The spelling of 5638415 in words is "five million, six hundred thirty-eight thousand, four hundred fifteen".