348977 has 4 divisors (see below), whose sum is σ = 350196. Its totient is φ = 347760.

The previous prime is 348949. The next prime is 348989. The reversal of 348977 is 779843.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 779843 = 131 ⋅5953.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 185761 = 404^2 + 431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348977 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 348977.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 348977.

It is not an unprimeable number, because it can be changed into a prime (348917) 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, 83 + ... + 839.

It is an arithmetic number, because the mean of its divisors is an integer number (87549).

2³⁴⁸⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

348977 is a deficient number, since it is larger than the sum of its proper divisors (1219).

348977 is an equidigital number, since it uses as much as digits as its factorization.

348977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its digits is 42336, while the sum is 38.

The square root of 348977 is about 590.7427528121. The cubic root of 348977 is about 70.4042594918.

The spelling of 348977 in words is "three hundred forty-eight thousand, nine hundred seventy-seven".