346382981 has 4 divisors (see below), whose sum is σ = 395866272. Its totient is φ = 296899692.

The previous prime is 346382969. The next prime is 346383019. The reversal of 346382981 is 189283643.

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 a cyclic number.

It is not a de Polignac number, because 346382981 - 2²² = 342188677 is a prime.

It is a super-2 number, since 2×346382981² = 239962339052892722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346382081) 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, 24741635 + ... + 24741648.

It is an arithmetic number, because the mean of its divisors is an integer number (98966568).

Almost surely, 2^346382981 is an apocalyptic number.

It is an amenable number.

346382981 is a deficient number, since it is larger than the sum of its proper divisors (49483291).

346382981 is an equidigital number, since it uses as much as digits as its factorization.

346382981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49483290.

The product of its digits is 248832, while the sum is 44.

The square root of 346382981 is about 18611.3669836474. The cubic root of 346382981 is about 702.2938228043.

The spelling of 346382981 in words is "three hundred forty-six million, three hundred eighty-two thousand, nine hundred eighty-one".