349400607 has 4 divisors (see below), whose sum is σ = 465867480. Its totient is φ = 232933736.

The previous prime is 349400599. The next prime is 349400627. The reversal of 349400607 is 706004943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349400607 - 2³ = 349400599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349400627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58233432 + ... + 58233437.

It is an arithmetic number, because the mean of its divisors is an integer number (116466870).

Almost surely, 2^349400607 is an apocalyptic number.

349400607 is a deficient number, since it is larger than the sum of its proper divisors (116466873).

349400607 is a wasteful number, since it uses less digits than its factorization.

349400607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116466872.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 349400607 is about 18692.2606176995. The cubic root of 349400607 is about 704.3273479535.

The spelling of 349400607 in words is "three hundred forty-nine million, four hundred thousand, six hundred seven".