346213246 has 4 divisors (see below), whose sum is σ = 519319872. Its totient is φ = 173106622.

The previous prime is 346213229. The next prime is 346213267. The reversal of 346213246 is 642312643.

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

It is a super-2 number, since 2×346213246² = 239727223411713032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86553310 + ... + 86553313.

It is an arithmetic number, because the mean of its divisors is an integer number (129829968).

Almost surely, 2^346213246 is an apocalyptic number.

346213246 is a deficient number, since it is larger than the sum of its proper divisors (173106626).

346213246 is a wasteful number, since it uses less digits than its factorization.

346213246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173106625.

The product of its digits is 20736, while the sum is 31.

The square root of 346213246 is about 18606.8064428047. The cubic root of 346213246 is about 702.1790911107.

Adding to 346213246 its reverse (642312643), we get a palindrome (988525889).

The spelling of 346213246 in words is "three hundred forty-six million, two hundred thirteen thousand, two hundred forty-six".