1489879646 has 4 divisors (see below), whose sum is σ = 2234819472. Its totient is φ = 744939822.

The previous prime is 1489879639. The next prime is 1489879667. The reversal of 1489879646 is 6469789841.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372469910 + ... + 372469913.

It is an arithmetic number, because the mean of its divisors is an integer number (558704868).

Almost surely, 2^1489879646 is an apocalyptic number.

1489879646 is a deficient number, since it is larger than the sum of its proper divisors (744939826).

1489879646 is an equidigital number, since it uses as much as digits as its factorization.

1489879646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744939825.

The product of its digits is 20901888, while the sum is 62.

The square root of 1489879646 is about 38598.9591310439. The cubic root of 1489879646 is about 1142.1340057628.

The spelling of 1489879646 in words is "one billion, four hundred eighty-nine million, eight hundred seventy-nine thousand, six hundred forty-six".