5649842 has 16 divisors (see below), whose sum is σ = 9385632. Its totient is φ = 2529120.

The previous prime is 5649829. The next prime is 5649851. The reversal of 5649842 is 2489465.

It is a pancake number, because a pancake can be divided into 5649842 parts by 3361 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 5649796 and 5649805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443 + ... + 3390.

It is an arithmetic number, because the mean of its divisors is an integer number (586602).

Almost surely, 2^5649842 is an apocalyptic number.

5649842 is a deficient number, since it is larger than the sum of its proper divisors (3735790).

5649842 is a wasteful number, since it uses less digits than its factorization.

5649842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913.

The product of its digits is 69120, while the sum is 38.

The square root of 5649842 is about 2376.9396290188. The cubic root of 5649842 is about 178.1060891794.

The spelling of 5649842 in words is "five million, six hundred forty-nine thousand, eight hundred forty-two".