349021413 has 16 divisors (see below), whose sum is σ = 556843840. Its totient is φ = 214782192.

The previous prime is 349021349. The next prime is 349021427. The reversal of 349021413 is 314120943.

It is not a de Polignac number, because 349021413 - 2⁶ = 349021349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349021433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496831 + ... + 497532.

It is an arithmetic number, because the mean of its divisors is an integer number (34802740).

Almost surely, 2^349021413 is an apocalyptic number.

It is an amenable number.

349021413 is a deficient number, since it is larger than the sum of its proper divisors (207822427).

349021413 is a wasteful number, since it uses less digits than its factorization.

349021413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994385 (or 994379 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 349021413 is about 18682.1147892844. The cubic root of 349021413 is about 704.0724606083.

It can be divided in two parts, 34902 and 1413, that added together give a triangular number (36315 = T₂₆₉).

The spelling of 349021413 in words is "three hundred forty-nine million, twenty-one thousand, four hundred thirteen".