1489693238 has 64 divisors (see below), whose sum is σ = 2637230400. Its totient is φ = 623616000.

The previous prime is 1489693237. The next prime is 1489693243. The reversal of 1489693238 is 8323969841.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1489693238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489693237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4268288 + ... + 4268636.

It is an arithmetic number, because the mean of its divisors is an integer number (41206725).

Almost surely, 2^1489693238 is an apocalyptic number.

1489693238 is a deficient number, since it is larger than the sum of its proper divisors (1147537162).

1489693238 is a wasteful number, since it uses less digits than its factorization.

1489693238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its digits is 2239488, while the sum is 53.

The square root of 1489693238 is about 38596.5443789985. The cubic root of 1489693238 is about 1142.0863706410.

The spelling of 1489693238 in words is "one billion, four hundred eighty-nine million, six hundred ninety-three thousand, two hundred thirty-eight".