349013556 has 48 divisors (see below), whose sum is σ = 920203200. Its totient is φ = 114363936.

The previous prime is 349013501. The next prime is 349013557. The reversal of 349013556 is 655310943.

349013556 is a `hidden beast` number, since 3 + 4 + 90 + 13 + 556 = 666.

It is a super-4 number, since 4×349013556⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 349013556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349013557) 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 15 ways as a sum of consecutive naturals, for example, 21015 + ... + 33758.

It is an arithmetic number, because the mean of its divisors is an integer number (19170900).

Almost surely, 2^349013556 is an apocalyptic number.

349013556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

349013556 is an abundant number, since it is smaller than the sum of its proper divisors (571189644).

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

349013556 is a wasteful number, since it uses less digits than its factorization.

349013556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54845 (or 54837 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 349013556 is about 18681.9045067680. The cubic root of 349013556 is about 704.0671773232.

The spelling of 349013556 in words is "three hundred forty-nine million, thirteen thousand, five hundred fifty-six".