349824487 has 16 divisors (see below), whose sum is σ = 377613792. Its totient is φ = 322882560.

The previous prime is 349824469. The next prime is 349824493. The reversal of 349824487 is 784428943.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 349824487 - 2²⁷ = 215606759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349824487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349824427) 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, 319513 + ... + 320605.

It is an arithmetic number, because the mean of its divisors is an integer number (23600862).

Almost surely, 2^349824487 is an apocalyptic number.

349824487 is a deficient number, since it is larger than the sum of its proper divisors (27789305).

349824487 is a wasteful number, since it uses less digits than its factorization.

349824487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458.

The product of its digits is 1548288, while the sum is 49.

The square root of 349824487 is about 18703.5955634204. The cubic root of 349824487 is about 704.6120542205.

The spelling of 349824487 in words is "three hundred forty-nine million, eight hundred twenty-four thousand, four hundred eighty-seven".