1489129446 has 128 divisors (see below), whose sum is σ = 3691422720. Its totient is φ = 391053312.

The previous prime is 1489129403. The next prime is 1489129459. The reversal of 1489129446 is 6449219841.

1489129446 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1489129395 and 1489129404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5794150 + ... + 5794406.

It is an arithmetic number, because the mean of its divisors is an integer number (28839240).

Almost surely, 2^1489129446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489129446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845711360).

1489129446 is an abundant number, since it is smaller than the sum of its proper divisors (2202293274).

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

1489129446 is a wasteful number, since it uses less digits than its factorization.

1489129446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its digits is 497664, while the sum is 48.

The square root of 1489129446 is about 38589.2400287956. The cubic root of 1489129446 is about 1141.9422737692.

The spelling of 1489129446 in words is "one billion, four hundred eighty-nine million, one hundred twenty-nine thousand, four hundred forty-six".