349452490 has 8 divisors (see below), whose sum is σ = 629014500. Its totient is φ = 139780992.

The previous prime is 349452451. The next prime is 349452497. The reversal of 349452490 is 94254943.

It can be written as a sum of positive squares in 2 ways, for example, as 294499921 + 54952569 = 17161^2 + 7413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (349452497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17472615 + ... + 17472634.

Almost surely, 2^349452490 is an apocalyptic number.

349452490 is a deficient number, since it is larger than the sum of its proper divisors (279562010).

349452490 is a wasteful number, since it uses less digits than its factorization.

349452490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34945256.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 349452490 is about 18693.6483865510. The cubic root of 349452490 is about 704.3622084226.

The spelling of 349452490 in words is "three hundred forty-nine million, four hundred fifty-two thousand, four hundred ninety".