349166775 has 24 divisors (see below), whose sum is σ = 577851904. Its totient is φ = 186040800.

The previous prime is 349166761. The next prime is 349166821. The reversal of 349166775 is 577661943.

It is a happy number.

It is not a de Polignac number, because 349166775 - 2⁴ = 349166759 is a prime.

It is a super-3 number, since 3×349166775³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116040 + ... + 119010.

Almost surely, 2^349166775 is an apocalyptic number.

349166775 is a deficient number, since it is larger than the sum of its proper divisors (228685129).

349166775 is a wasteful number, since it uses less digits than its factorization.

349166775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551 (or 4546 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 349166775 is about 18686.0047896815. The cubic root of 349166775 is about 704.1701921247.

The spelling of 349166775 in words is "three hundred forty-nine million, one hundred sixty-six thousand, seven hundred seventy-five".