5649942 has 32 divisors (see below), whose sum is σ = 11784960. Its totient is φ = 1804320.

The previous prime is 5649913. The next prime is 5649949. The reversal of 5649942 is 2499465.

It is a self number, because there is not a number n which added to its sum of digits gives 5649942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15559 + ... + 15917.

It is an arithmetic number, because the mean of its divisors is an integer number (368280).

Almost surely, 2^5649942 is an apocalyptic number.

5649942 is an abundant number, since it is smaller than the sum of its proper divisors (6135018).

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

5649942 is a wasteful number, since it uses less digits than its factorization.

5649942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its digits is 77760, while the sum is 39.

The square root of 5649942 is about 2376.9606643779. The cubic root of 5649942 is about 178.1071399760.

The spelling of 5649942 in words is "five million, six hundred forty-nine thousand, nine hundred forty-two".