1427406 has 8 divisors (see below), whose sum is σ = 2854824. Its totient is φ = 475800.

The previous prime is 1427401. The next prime is 1427407. The reversal of 1427406 is 6047241.

It is a sphenic number, since it is the product of 3 distinct primes.

1427406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427401) 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 3 ways as a sum of consecutive naturals, for example, 118945 + ... + 118956.

It is an arithmetic number, because the mean of its divisors is an integer number (356853).

2^1427406 is an apocalyptic number.

1427406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1427406 is a wasteful number, since it uses less digits than its factorization.

1427406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237906.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1427406 is about 1194.7409761116. The cubic root of 1427406 is about 112.5941532782.

The spelling of 1427406 in words is "one million, four hundred twenty-seven thousand, four hundred six".