1489320546 has 32 divisors (see below), whose sum is σ = 3406599168. Its totient is φ = 425215440.

The previous prime is 1489320487. The next prime is 1489320563. The reversal of 1489320546 is 6450239841.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1489320498 and 1489320507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50331 + ... + 74241.

It is an arithmetic number, because the mean of its divisors is an integer number (106456224).

Almost surely, 2^1489320546 is an apocalyptic number.

1489320546 is an abundant number, since it is smaller than the sum of its proper divisors (1917278622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1489320546 is a wasteful number, since it uses less digits than its factorization.

1489320546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25406.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1489320546 is about 38591.7160281841. The cubic root of 1489320546 is about 1141.9911201684.

The spelling of 1489320546 in words is "one billion, four hundred eighty-nine million, three hundred twenty thousand, five hundred forty-six".