10905631 has 8 divisors (see below), whose sum is σ = 12187728. Its totient is φ = 9672000.

The previous prime is 10905623. The next prime is 10905637. The reversal of 10905631 is 13650901.

10905631 is digitally balanced in base 2 and base 3, because in such bases 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 10905631 - 2³ = 10905623 is a prime.

It is a super-2 number, since 2×10905631² = 237865575016322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10905596 and 10905605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10905637) 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, 11640 + ... + 12541.

It is an arithmetic number, because the mean of its divisors is an integer number (1523466).

Almost surely, 2^10905631 is an apocalyptic number.

10905631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10905631 is a deficient number, since it is larger than the sum of its proper divisors (1282097).

10905631 is a wasteful number, since it uses less digits than its factorization.

10905631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24233.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 10905631 is about 3302.3674840938. The cubic root of 10905631 is about 221.7601974629.

The spelling of 10905631 in words is "ten million, nine hundred five thousand, six hundred thirty-one".