346545644 has 6 divisors (see below), whose sum is σ = 606454884. Its totient is φ = 173272820.

The previous prime is 346545601. The next prime is 346545649. The reversal of 346545644 is 446545643.

It is not an unprimeable number, because it can be changed into a prime (346545649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43318202 + ... + 43318209.

It is an arithmetic number, because the mean of its divisors is an integer number (101075814).

Almost surely, 2^346545644 is an apocalyptic number.

It is an amenable number.

346545644 is a deficient number, since it is larger than the sum of its proper divisors (259909240).

346545644 is a wasteful number, since it uses less digits than its factorization.

346545644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86636415 (or 86636413 counting only the distinct ones).

The product of its digits is 691200, while the sum is 41.

The square root of 346545644 is about 18615.7364613920. The cubic root of 346545644 is about 702.4037390424.

Subtracting 346545644 from its reverse (446545643), we obtain a palindrome (99999999).

The spelling of 346545644 in words is "three hundred forty-six million, five hundred forty-five thousand, six hundred forty-four".