1425838 has 8 divisors (see below), whose sum is σ = 2144088. Its totient is φ = 711144.

The previous prime is 1425821. The next prime is 1425863. The reversal of 1425838 is 8385241.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 645 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (268011).

2^1425838 is an apocalyptic number.

1425838 is a deficient number, since it is larger than the sum of its proper divisors (718250).

1425838 is a wasteful number, since it uses less digits than its factorization.

1425838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778.

The product of its digits is 7680, while the sum is 31.

The square root of 1425838 is about 1194.0845866186. The cubic root of 1425838 is about 112.5529100913.

It can be divided in two parts, 14 and 25838, that added together give a palindrome (25852).

The spelling of 1425838 in words is "one million, four hundred twenty-five thousand, eight hundred thirty-eight".