10406555 has 4 divisors (see below), whose sum is σ = 12487872. Its totient is φ = 8325240.

The previous prime is 10406537. The next prime is 10406569. The reversal of 10406555 is 55560401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10406555 - 2¹² = 10402459 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040651 + ... + 1040660.

It is an arithmetic number, because the mean of its divisors is an integer number (3121968).

Almost surely, 2^10406555 is an apocalyptic number.

10406555 is a deficient number, since it is larger than the sum of its proper divisors (2081317).

10406555 is an equidigital number, since it uses as much as digits as its factorization.

10406555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081316.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 10406555 is about 3225.9192488344. The cubic root of 10406555 is about 218.3244264701.

Adding to 10406555 its reverse (55560401), we get a palindrome (65966956).

The spelling of 10406555 in words is "ten million, four hundred six thousand, five hundred fifty-five".