10626389 has 4 divisors (see below), whose sum is σ = 10632960. Its totient is φ = 10619820.

The previous prime is 10626379. The next prime is 10626409. The reversal of 10626389 is 98362601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10626389 is a prime.

It is a super-2 number, since 2×10626389² = 225840286358642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10626349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (2658240).

Almost surely, 2^10626389 is an apocalyptic number.

It is an amenable number.

10626389 is a deficient number, since it is larger than the sum of its proper divisors (6571).

10626389 is an equidigital number, since it uses as much as digits as its factorization.

10626389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 10626389 is about 3259.8142585123. The cubic root of 10626389 is about 219.8510631064.

The spelling of 10626389 in words is "ten million, six hundred twenty-six thousand, three hundred eighty-nine".