349069437 has 6 divisors (see below), whose sum is σ = 504211422. Its totient is φ = 232712952.

The previous prime is 349069403. The next prime is 349069447. The reversal of 349069437 is 734960943.

It can be written as a sum of positive squares in only one way, i.e., 223382916 + 125686521 = 14946^2 + 11211^2 .

It is not a de Polignac number, because 349069437 - 2¹⁴ = 349053053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349069392 and 349069401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349069447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19392738 + ... + 19392755.

It is an arithmetic number, because the mean of its divisors is an integer number (84035237).

Almost surely, 2^349069437 is an apocalyptic number.

It is an amenable number.

349069437 is a deficient number, since it is larger than the sum of its proper divisors (155141985).

349069437 is a wasteful number, since it uses less digits than its factorization.

349069437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38785499 (or 38785496 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 349069437 is about 18683.4000385369. The cubic root of 349069437 is about 704.1047516788.

It can be divided in two parts, 3490 and 69437, that added together give a palindrome (72927).

The spelling of 349069437 in words is "three hundred forty-nine million, sixty-nine thousand, four hundred thirty-seven".