10626391 has 8 divisors (see below), whose sum is σ = 11242080. Its totient is φ = 10023552.

The previous prime is 10626379. The next prime is 10626409. The reversal of 10626391 is 19362601.

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

It is a cyclic number.

It is not a de Polignac number, because 10626391 - 2¹¹ = 10624343 is a prime.

It is a super-2 number, since 2×10626391² = 225840371369762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10626361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (1405260).

Almost surely, 2^10626391 is an apocalyptic number.

10626391 is a deficient number, since it is larger than the sum of its proper divisors (615689).

10626391 is an equidigital number, since it uses as much as digits as its factorization.

10626391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10626391 is about 3259.8145652782. The cubic root of 10626391 is about 219.8510768992.

Adding to 10626391 its reverse (19362601), we get a palindrome (29988992).

The spelling of 10626391 in words is "ten million, six hundred twenty-six thousand, three hundred ninety-one".