348001381 has 24 divisors (see below), whose sum is σ = 450046464. Its totient is φ = 266444640.

The previous prime is 348001327. The next prime is 348001393. The reversal of 348001381 is 183100843.

It is a de Polignac number, because none of the positive numbers 2^k-348001381 is a prime.

It is a super-2 number, since 2×348001381² = 242209922355814322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348001681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10936 + ... + 28558.

It is an arithmetic number, because the mean of its divisors is an integer number (18751936).

Almost surely, 2^348001381 is an apocalyptic number.

348001381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

348001381 is a deficient number, since it is larger than the sum of its proper divisors (102045083).

348001381 is a wasteful number, since it uses less digits than its factorization.

348001381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681 (or 17674 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 348001381 is about 18654.7951208262. The cubic root of 348001381 is about 703.3858960340.

The spelling of 348001381 in words is "three hundred forty-eight million, one thousand, three hundred eighty-one".