1489957 has 4 divisors (see below), whose sum is σ = 1702816. Its totient is φ = 1277100.

The previous prime is 1489951. The next prime is 1489973. The reversal of 1489957 is 7599841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489951) 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, 106419 + ... + 106432.

It is an arithmetic number, because the mean of its divisors is an integer number (425704).

2^1489957 is an apocalyptic number.

It is an amenable number.

1489957 is a deficient number, since it is larger than the sum of its proper divisors (212859).

1489957 is an equidigital number, since it uses as much as digits as its factorization.

1489957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212858.

The product of its digits is 90720, while the sum is 43.

The square root of 1489957 is about 1220.6379479600. The cubic root of 1489957 is about 114.2153771812.

The spelling of 1489957 in words is "one million, four hundred eighty-nine thousand, nine hundred fifty-seven".