349791489 has 12 divisors (see below), whose sum is σ = 505478272. Its totient is φ = 233091000.

The previous prime is 349791487. The next prime is 349791493. The reversal of 349791489 is 984197943.

349791489 is a `hidden beast` number, since 3 + 497 + 9 + 148 + 9 = 666.

It is not a de Polignac number, because 349791489 - 2¹ = 349791487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349791487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16764 + ... + 31314.

Almost surely, 2^349791489 is an apocalyptic number.

It is an amenable number.

349791489 is a deficient number, since it is larger than the sum of its proper divisors (155686783).

349791489 is a wasteful number, since it uses less digits than its factorization.

349791489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17228 (or 17225 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 349791489 is about 18702.7134127645. The cubic root of 349791489 is about 704.5898988059.

The spelling of 349791489 in words is "three hundred forty-nine million, seven hundred ninety-one thousand, four hundred eighty-nine".