1489237444 has 12 divisors (see below), whose sum is σ = 2613635500. Its totient is φ = 742484448.

The previous prime is 1489237439. The next prime is 1489237471. The reversal of 1489237444 is 4447329841.

It can be written as a sum of positive squares in 2 ways, for example, as 631919044 + 857318400 = 25138^2 + 29280^2 .

It is a super-2 number, since 2×1489237444² = 4435656329223306272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1489237394 and 1489237403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531999 + ... + 534790.

Almost surely, 2^1489237444 is an apocalyptic number.

It is an amenable number.

1489237444 is a deficient number, since it is larger than the sum of its proper divisors (1124398056).

1489237444 is a wasteful number, since it uses less digits than its factorization.

1489237444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067142 (or 1067140 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 1489237444 is about 38590.6393313197. The cubic root of 1489237444 is about 1141.9698792718.

The spelling of 1489237444 in words is "one billion, four hundred eighty-nine million, two hundred thirty-seven thousand, four hundred forty-four".