1489951 has 2 divisors, whose sum is σ = 1489952. Its totient is φ = 1489950.

The previous prime is 1489937. The next prime is 1489973. The reversal of 1489951 is 1599841.

It is a weak prime.

It is an emirp because it is prime and its reverse (1599841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1489951 - 2¹³ = 1481759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1489951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744975 + 744976.

It is an arithmetic number, because the mean of its divisors is an integer number (744976).

2^1489951 is an apocalyptic number.

1489951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489951 is an equidigital number, since it uses as much as digits as its factorization.

1489951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 37.

The square root of 1489951 is about 1220.6354902263. The cubic root of 1489951 is about 114.2152238674.

It can be divided in two parts, 148995 and 1, that added together give a square (148996 = 386²).

The spelling of 1489951 in words is "one million, four hundred eighty-nine thousand, nine hundred fifty-one".