349873249 has 8 divisors (see below), whose sum is σ = 382265280. Its totient is φ = 317578800.

The previous prime is 349873231. The next prime is 349873267. The reversal of 349873249 is 942378943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (349873231) and next prime (349873267).

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

It is not a de Polignac number, because 349873249 - 2⁹ = 349872737 is a prime.

It is a super-2 number, since 2×349873249² = 244822580731632002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349873229) 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 7 ways as a sum of consecutive naturals, for example, 16789 + ... + 31330.

It is an arithmetic number, because the mean of its divisors is an integer number (47783160).

Almost surely, 2^349873249 is an apocalyptic number.

It is an amenable number.

349873249 is a deficient number, since it is larger than the sum of its proper divisors (32392031).

349873249 is a wasteful number, since it uses less digits than its factorization.

349873249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48791.

The product of its digits is 1306368, while the sum is 49.

The square root of 349873249 is about 18704.8990641489. The cubic root of 349873249 is about 704.6447913005.

The spelling of 349873249 in words is "three hundred forty-nine million, eight hundred seventy-three thousand, two hundred forty-nine".