10639346 has 8 divisors (see below), whose sum is σ = 16509420. Its totient is φ = 5136208.

The previous prime is 10639319. The next prime is 10639351. The reversal of 10639346 is 64393601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10491121 + 148225 = 3239^2 + 385^2 .

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

It is a super-2 number, since 2×10639346² = 226391366615432, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91661 + ... + 91776.

Almost surely, 2^10639346 is an apocalyptic number.

10639346 is a deficient number, since it is larger than the sum of its proper divisors (5870074).

10639346 is a wasteful number, since it uses less digits than its factorization.

10639346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183468.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 10639346 is about 3261.8010362375. The cubic root of 10639346 is about 219.9403832953.

The spelling of 10639346 in words is "ten million, six hundred thirty-nine thousand, three hundred forty-six".