349775424 has 42 divisors (see below), whose sum is σ = 1002569750. Its totient is φ = 116591616.

The previous prime is 349775411. The next prime is 349775431. The reversal of 349775424 is 424577943.

349775424 is a `hidden beast` number, since 34 + 9 + 77 + 542 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 286286400 + 63489024 = 16920^2 + 7968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 349775424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303049 + ... + 304200.

Almost surely, 2^349775424 is an apocalyptic number.

It is an amenable number.

349775424 is an abundant number, since it is smaller than the sum of its proper divisors (652794326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349775424 is a wasteful number, since it uses less digits than its factorization.

349775424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607267 (or 607254 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 349775424 is about 18702.2839246975. The cubic root of 349775424 is about 704.5791119892.

It can be divided in two parts, 34977 and 5424, that added together give a square (40401 = 201²).

The spelling of 349775424 in words is "three hundred forty-nine million, seven hundred seventy-five thousand, four hundred twenty-four".