1452838 has 4 divisors (see below), whose sum is σ = 2179260. Its totient is φ = 726418.

The previous prime is 1452833. The next prime is 1452839. The reversal of 1452838 is 8382541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1452838² = 4221476508488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363208 + ... + 363211.

It is an arithmetic number, because the mean of its divisors is an integer number (544815).

2^1452838 is an apocalyptic number.

1452838 is a deficient number, since it is larger than the sum of its proper divisors (726422).

1452838 is an equidigital number, since it uses as much as digits as its factorization.

1452838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726421.

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

The square root of 1452838 is about 1205.3372971911. The cubic root of 1452838 is about 113.2589150053.

The spelling of 1452838 in words is "one million, four hundred fifty-two thousand, eight hundred thirty-eight".