10620439 has 2 divisors, whose sum is σ = 10620440. Its totient is φ = 10620438.

The previous prime is 10620397. The next prime is 10620473. The reversal of 10620439 is 93402601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10620439 - 2⁹ = 10619927 is a prime.

It is a super-2 number, since 2×10620439² = 225587449105442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10620479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310219 + 5310220.

It is an arithmetic number, because the mean of its divisors is an integer number (5310220).

Almost surely, 2^10620439 is an apocalyptic number.

10620439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10620439 is an equidigital number, since it uses as much as digits as its factorization.

10620439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10620439 is about 3258.9015020402. The cubic root of 10620439 is about 219.8100219446.

The spelling of 10620439 in words is "ten million, six hundred twenty thousand, four hundred thirty-nine".