213504346 has 8 divisors (see below), whose sum is σ = 349370784. Its totient is φ = 97047420.

The previous prime is 213504337. The next prime is 213504353. The reversal of 213504346 is 643405312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4852350 + ... + 4852393.

It is an arithmetic number, because the mean of its divisors is an integer number (43671348).

Almost surely, 2^213504346 is an apocalyptic number.

213504346 is a deficient number, since it is larger than the sum of its proper divisors (135866438).

213504346 is a wasteful number, since it uses less digits than its factorization.

213504346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9704756.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 213504346 is about 14611.7879125041. The cubic root of 213504346 is about 597.6802521005.

Adding to 213504346 its reverse (643405312), we get a palindrome (856909658).

The spelling of 213504346 in words is "two hundred thirteen million, five hundred four thousand, three hundred forty-six".