1489940349 has 16 divisors (see below), whose sum is σ = 2004488640. Its totient is φ = 984368000.

The previous prime is 1489940341. The next prime is 1489940351. The reversal of 1489940349 is 9430499841.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1489940349 - 2³ = 1489940341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489940341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268099 + ... + 273599.

It is an arithmetic number, because the mean of its divisors is an integer number (125280540).

Almost surely, 2^1489940349 is an apocalyptic number.

It is an amenable number.

1489940349 is a deficient number, since it is larger than the sum of its proper divisors (514548291).

1489940349 is a wasteful number, since it uses less digits than its factorization.

1489940349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 1489940349 is about 38599.7454525286. The cubic root of 1489940349 is about 1142.1495170871.

The spelling of 1489940349 in words is "one billion, four hundred eighty-nine million, nine hundred forty thousand, three hundred forty-nine".