348978967 has 4 divisors (see below), whose sum is σ = 349532656. Its totient is φ = 348425280.

The previous prime is 348978961. The next prime is 348978979. The reversal of 348978967 is 769879843.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348978967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348978961) 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, 275898 + ... + 277159.

It is an arithmetic number, because the mean of its divisors is an integer number (87383164).

Almost surely, 2^348978967 is an apocalyptic number.

348978967 is a deficient number, since it is larger than the sum of its proper divisors (553689).

348978967 is an equidigital number, since it uses as much as digits as its factorization.

348978967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553688.

The product of its digits is 18289152, while the sum is 61.

The square root of 348978967 is about 18680.9787484489. The cubic root of 348978967 is about 704.0439176879.

The spelling of 348978967 in words is "three hundred forty-eight million, nine hundred seventy-eight thousand, nine hundred sixty-seven".