1406442 has 32 divisors (see below), whose sum is σ = 2980800. Its totient is φ = 441728.

The previous prime is 1406441. The next prime is 1406443. The reversal of 1406442 is 2446041.

It is an interprime number because it is at equal distance from previous prime (1406441) and next prime (1406443).

It is not an unprimeable number, because it can be changed into a prime (1406441) 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, 10198 + ... + 10334.

It is an arithmetic number, because the mean of its divisors is an integer number (93150).

2^1406442 is an apocalyptic number.

1406442 is an abundant number, since it is smaller than the sum of its proper divisors (1574358).

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

1406442 is a wasteful number, since it uses less digits than its factorization.

1406442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1406442 is about 1185.9350741082. The cubic root of 1406442 is about 112.0402172746.

The spelling of 1406442 in words is "one million, four hundred six thousand, four hundred forty-two".