5209646 has 8 divisors (see below), whose sum is σ = 8415624. Its totient is φ = 2404440.

The previous prime is 5209627. The next prime is 5209657. The reversal of 5209646 is 6469025.

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

It is a super-3 number, since 3×5209646³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 100160 + ... + 100211.

It is an arithmetic number, because the mean of its divisors is an integer number (1051953).

Almost surely, 2^5209646 is an apocalyptic number.

5209646 is a deficient number, since it is larger than the sum of its proper divisors (3205978).

5209646 is a wasteful number, since it uses less digits than its factorization.

5209646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200386.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 5209646 is about 2282.4648956775. The cubic root of 5209646 is about 173.3548798002.

The spelling of 5209646 in words is "five million, two hundred nine thousand, six hundred forty-six".