348023639 has 16 divisors (see below), whose sum is σ = 370596864. Its totient is φ = 326289600.

The previous prime is 348023629. The next prime is 348023651. The reversal of 348023639 is 936320843.

It is a cyclic number.

It is not a de Polignac number, because 348023639 - 2⁸ = 348023383 is a prime.

It is a super-2 number, since 2×348023639² = 242240906605604642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348023629) 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, 173627 + ... + 175619.

It is an arithmetic number, because the mean of its divisors is an integer number (23162304).

Almost surely, 2^348023639 is an apocalyptic number.

348023639 is a deficient number, since it is larger than the sum of its proper divisors (22573225).

348023639 is a wasteful number, since it uses less digits than its factorization.

348023639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 348023639 is about 18655.3916871236. The cubic root of 348023639 is about 703.4008917882.

The spelling of 348023639 in words is "three hundred forty-eight million, twenty-three thousand, six hundred thirty-nine".