348434639 has 24 divisors (see below), whose sum is σ = 414142848. Its totient is φ = 292224240.

The previous prime is 348434617. The next prime is 348434729. The reversal of 348434639 is 936434843.

It is not a de Polignac number, because 348434639 - 2¹² = 348430543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348434639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348434039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692462 + ... + 692964.

It is an arithmetic number, because the mean of its divisors is an integer number (17255952).

Almost surely, 2^348434639 is an apocalyptic number.

348434639 is a deficient number, since it is larger than the sum of its proper divisors (65708209).

348434639 is a wasteful number, since it uses less digits than its factorization.

348434639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 788 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The square root of 348434639 is about 18666.4040189856. The cubic root of 348434639 is about 703.6776776202.

The spelling of 348434639 in words is "three hundred forty-eight million, four hundred thirty-four thousand, six hundred thirty-nine".