5662638 has 12 divisors (see below), whose sum is σ = 12269088. Its totient is φ = 1887540.

The previous prime is 5662637. The next prime is 5662663. The reversal of 5662638 is 8362665.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5662637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157278 + ... + 157313.

It is an arithmetic number, because the mean of its divisors is an integer number (1022424).

Almost surely, 2^5662638 is an apocalyptic number.

5662638 is an abundant number, since it is smaller than the sum of its proper divisors (6606450).

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

5662638 is a wasteful number, since it uses less digits than its factorization.

5662638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314599 (or 314596 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5662638 is about 2379.6298031417. The cubic root of 5662638 is about 178.2404485190.

The spelling of 5662638 in words is "five million, six hundred sixty-two thousand, six hundred thirty-eight".