5601906 has 32 divisors (see below), whose sum is σ = 12530880. Its totient is φ = 1855008.

The previous prime is 5601889. The next prime is 5601907. The reversal of 5601906 is 6091065.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5601906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5601907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12030 + ... + 12486.

It is an arithmetic number, because the mean of its divisors is an integer number (391590).

Almost surely, 2^5601906 is an apocalyptic number.

5601906 is an abundant number, since it is smaller than the sum of its proper divisors (6928974).

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

5601906 is a wasteful number, since it uses less digits than its factorization.

5601906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5601906 is about 2366.8345949812. The cubic root of 5601906 is about 177.6009450278.

The spelling of 5601906 in words is "five million, six hundred one thousand, nine hundred six".