1456838 has 8 divisors (see below), whose sum is σ = 2244432. Its totient is φ = 708696.

The previous prime is 1456837. The next prime is 1456867. The reversal of 1456838 is 8386541.

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

It is a junction number, because it is equal to n+sod(n) for n = 1456798 and 1456807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456837) 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 3 ways as a sum of consecutive naturals, for example, 9770 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (280554).

2^1456838 is an apocalyptic number.

1456838 is a deficient number, since it is larger than the sum of its proper divisors (787594).

1456838 is a wasteful number, since it uses less digits than its factorization.

1456838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19726.

The product of its digits is 23040, while the sum is 35.

The square root of 1456838 is about 1206.9954432391. The cubic root of 1456838 is about 113.3627624459.

The spelling of 1456838 in words is "one million, four hundred fifty-six thousand, eight hundred thirty-eight".