1457238 has 8 divisors (see below), whose sum is σ = 2914488. Its totient is φ = 485744.

The previous prime is 1457219. The next prime is 1457251. The reversal of 1457238 is 8327541.

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

1457238 is an admirable number.

It is a Curzon number.

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, 121431 + ... + 121442.

It is an arithmetic number, because the mean of its divisors is an integer number (364311).

2^1457238 is an apocalyptic number.

1457238 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.

1457238 is a wasteful number, since it uses less digits than its factorization.

1457238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242878.

The product of its digits is 6720, while the sum is 30.

The square root of 1457238 is about 1207.1611325751. The cubic root of 1457238 is about 113.3731367304.

The spelling of 1457238 in words is "one million, four hundred fifty-seven thousand, two hundred thirty-eight".