10403389 has 2 divisors, whose sum is σ = 10403390. Its totient is φ = 10403388.

The previous prime is 10403357. The next prime is 10403399. The reversal of 10403389 is 98330401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 195364 = 3195^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 10403389 - 2⁵ = 10403357 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10403399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201694 + 5201695.

It is an arithmetic number, because the mean of its divisors is an integer number (5201695).

Almost surely, 2^10403389 is an apocalyptic number.

It is an amenable number.

10403389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403389 is an equidigital number, since it uses as much as digits as its factorization.

10403389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10403389 is about 3225.4284986649. The cubic root of 10403389 is about 218.3022838481.

The spelling of 10403389 in words is "ten million, four hundred three thousand, three hundred eighty-nine".