1489879 has 8 divisors (see below), whose sum is σ = 1555568. Its totient is φ = 1425600.

The previous prime is 1489867. The next prime is 1489889. The reversal of 1489879 is 9789841.

It is a happy number.

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 1489879 - 2⁷ = 1489751 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 (1489819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (194446).

2^1489879 is an apocalyptic number.

1489879 is a deficient number, since it is larger than the sum of its proper divisors (65689).

1489879 is an equidigital number, since it uses as much as digits as its factorization.

1489879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705.

The product of its digits is 145152, while the sum is 46.

The square root of 1489879 is about 1220.6059970359. The cubic root of 1489879 is about 114.2133840689.

It can be divided in two parts, 148987 and 9, that added together give a square (148996 = 386²).

The spelling of 1489879 in words is "one million, four hundred eighty-nine thousand, eight hundred seventy-nine".