348445749 has 4 divisors (see below), whose sum is σ = 464594336. Its totient is φ = 232297164.

The previous prime is 348445739. The next prime is 348445763. The reversal of 348445749 is 947544843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 348445749 - 2¹¹ = 348443701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 348445698 and 348445707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348445739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58074289 + ... + 58074294.

It is an arithmetic number, because the mean of its divisors is an integer number (116148584).

Almost surely, 2^348445749 is an apocalyptic number.

It is an amenable number.

348445749 is a deficient number, since it is larger than the sum of its proper divisors (116148587).

348445749 is a wasteful number, since it uses less digits than its factorization.

348445749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116148586.

The product of its digits is 1935360, while the sum is 48.

The square root of 348445749 is about 18666.7016100863. The cubic root of 348445749 is about 703.6851565703.

The spelling of 348445749 in words is "three hundred forty-eight million, four hundred forty-five thousand, seven hundred forty-nine".