349189953 has 8 divisors (see below), whose sum is σ = 532099008. Its totient is φ = 199537104.

The previous prime is 349189943. The next prime is 349189969. The reversal of 349189953 is 359981943.

It is a happy number.

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

It is not a de Polignac number, because 349189953 - 2⁶ = 349189889 is a prime.

It is a super-2 number, since 2×349189953² = 243867246552284418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 349189896 and 349189905.

It is not an unprimeable number, because it can be changed into a prime (349189903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8314026 + ... + 8314067.

It is an arithmetic number, because the mean of its divisors is an integer number (66512376).

Almost surely, 2^349189953 is an apocalyptic number.

It is an amenable number.

349189953 is a deficient number, since it is larger than the sum of its proper divisors (182909055).

349189953 is a wasteful number, since it uses less digits than its factorization.

349189953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628103.

The product of its digits is 1049760, while the sum is 51.

The square root of 349189953 is about 18686.6249761695. The cubic root of 349189953 is about 704.1857729271.

The spelling of 349189953 in words is "three hundred forty-nine million, one hundred eighty-nine thousand, nine hundred fifty-three".