341390681 has 4 divisors (see below), whose sum is σ = 342881700. Its totient is φ = 339899664.

The previous prime is 341390677. The next prime is 341390743. The reversal of 341390681 is 186093143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 186093143 = 557 ⋅334099.

It can be written as a sum of positive squares in 2 ways, for example, as 161696656 + 179694025 = 12716^2 + 13405^2 .

It is a cyclic number.

It is not a de Polignac number, because 341390681 - 2² = 341390677 is a prime.

It is a super-2 number, since 2×341390681² = 233095194147287522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (341390611) 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, 745166 + ... + 745623.

It is an arithmetic number, because the mean of its divisors is an integer number (85720425).

Almost surely, 2^341390681 is an apocalyptic number.

It is an amenable number.

341390681 is a deficient number, since it is larger than the sum of its proper divisors (1491019).

341390681 is a wasteful number, since it uses less digits than its factorization.

341390681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491018.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 341390681 is about 18476.7605656403. The cubic root of 341390681 is about 698.9035085046.

The spelling of 341390681 in words is "three hundred forty-one million, three hundred ninety thousand, six hundred eighty-one".