348639 has 8 divisors (see below), whose sum is σ = 467712. Its totient is φ = 231000.

The previous prime is 348637. The next prime is 348643. The reversal of 348639 is 936843.

348639 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 348639 - 2¹ = 348637 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 4⁸ + 6⁷ + 8 + 3⁷ + 9³ .

348639 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (58464).

2³⁴⁸⁶³⁹ is an apocalyptic number.

348639 is a deficient number, since it is larger than the sum of its proper divisors (119073).

348639 is a wasteful number, since it uses less digits than its factorization.

348639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its digits is 15552, while the sum is 33.

The square root of 348639 is about 590.4566029777. The cubic root of 348639 is about 70.3815222469.

The spelling of 348639 in words is "three hundred forty-eight thousand, six hundred thirty-nine".