5591406 has 8 divisors (see below), whose sum is σ = 11182824. Its totient is φ = 1863800.

The previous prime is 5591401. The next prime is 5591407. The reversal of 5591406 is 6041955.

It is a sphenic number, since it is the product of 3 distinct primes.

5591406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591401) 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, 465945 + ... + 465956.

It is an arithmetic number, because the mean of its divisors is an integer number (1397853).

Almost surely, 2^5591406 is an apocalyptic number.

5591406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5591406 is a wasteful number, since it uses less digits than its factorization.

5591406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931906.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5591406 is about 2364.6154021320. The cubic root of 5591406 is about 177.4899128037.

The spelling of 5591406 in words is "five million, five hundred ninety-one thousand, four hundred six".