1408242 has 32 divisors (see below), whose sum is σ = 3237120. Its totient is φ = 403920.

The previous prime is 1408241. The next prime is 1408279. The reversal of 1408242 is 2428041.

It is not an unprimeable number, because it can be changed into a prime (1408241) 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, 693 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (101160).

2^1408242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1408242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618560).

1408242 is an abundant number, since it is smaller than the sum of its proper divisors (1828878).

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

1408242 is a wasteful number, since it uses less digits than its factorization.

1408242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1408242 is about 1186.6937262832. The cubic root of 1408242 is about 112.0879941985.

The spelling of 1408242 in words is "one million, four hundred eight thousand, two hundred forty-two".