10861439 has 8 divisors (see below), whose sum is σ = 11326080. Its totient is φ = 10404000.

The previous prime is 10861429. The next prime is 10861441. The reversal of 10861439 is 93416801.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10861439 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 (10861429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (1415760).

Almost surely, 2^10861439 is an apocalyptic number.

10861439 is a deficient number, since it is larger than the sum of its proper divisors (464641).

10861439 is a wasteful number, since it uses less digits than its factorization.

10861439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10861439 is about 3295.6697346670. The cubic root of 10861439 is about 221.4602516884.

The spelling of 10861439 in words is "ten million, eight hundred sixty-one thousand, four hundred thirty-nine".