1452889 has 8 divisors (see below), whose sum is σ = 1503360. Its totient is φ = 1403376.

The previous prime is 1452863. The next prime is 1452907. The reversal of 1452889 is 9882541.

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

It is a cyclic number.

It is not a de Polignac number, because 1452889 - 2⁹ = 1452377 is a prime.

It is a super-2 number, since 2×1452889² = 4221772892642, which contains 22 as substring.

It is a Duffinian number.

1452889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1452809) 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 7 ways as a sum of consecutive naturals, for example, 4014 + ... + 4360.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

2^1452889 is an apocalyptic number.

It is an amenable number.

1452889 is a deficient number, since it is larger than the sum of its proper divisors (50471).

1452889 is an equidigital number, since it uses as much as digits as its factorization.

1452889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 23040, while the sum is 37.

The square root of 1452889 is about 1205.3584529093. The cubic root of 1452889 is about 113.2602402590.

The spelling of 1452889 in words is "one million, four hundred fifty-two thousand, eight hundred eighty-nine".