346161213 has 6 divisors (see below), whose sum is σ = 500010654. Its totient is φ = 230774136.

The previous prime is 346161199. The next prime is 346161217. The reversal of 346161213 is 312161643.

346161213 is a `hidden beast` number, since 3 + 46 + 1 + 612 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 345290724 + 870489 = 18582^2 + 933^2 .

It is not a de Polignac number, because 346161213 - 2⁸ = 346160957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346161217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19231170 + ... + 19231187.

It is an arithmetic number, because the mean of its divisors is an integer number (83335109).

Almost surely, 2^346161213 is an apocalyptic number.

It is an amenable number.

346161213 is a deficient number, since it is larger than the sum of its proper divisors (153849441).

346161213 is a wasteful number, since it uses less digits than its factorization.

346161213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38462363 (or 38462360 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 346161213 is about 18605.4081653696. The cubic root of 346161213 is about 702.1439121032.

The spelling of 346161213 in words is "three hundred forty-six million, one hundred sixty-one thousand, two hundred thirteen".