10920439 has 8 divisors (see below), whose sum is σ = 11376288. Its totient is φ = 10473120.

The previous prime is 10920431. The next prime is 10920451. The reversal of 10920439 is 93402901.

It is a happy number.

10920439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10920439 - 2³ = 10920431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10920431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (1422036).

Almost surely, 2^10920439 is an apocalyptic number.

10920439 is a deficient number, since it is larger than the sum of its proper divisors (455849).

10920439 is an equidigital number, since it uses as much as digits as its factorization.

10920439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265.

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

The square root of 10920439 is about 3304.6087514258. The cubic root of 10920439 is about 221.8605229991.

The spelling of 10920439 in words is "ten million, nine hundred twenty thousand, four hundred thirty-nine".