10400983 has 4 divisors (see below), whose sum is σ = 10411848. Its totient is φ = 10390120.

The previous prime is 10400977. The next prime is 10400987. The reversal of 10400983 is 38900401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10400983 - 2¹⁷ = 10269911 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 (10400987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3841 + ... + 5962.

It is an arithmetic number, because the mean of its divisors is an integer number (2602962).

Almost surely, 2^10400983 is an apocalyptic number.

10400983 is a deficient number, since it is larger than the sum of its proper divisors (10865).

10400983 is an equidigital number, since it uses as much as digits as its factorization.

10400983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10864.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10400983 is about 3225.0555033984. The cubic root of 10400983 is about 218.2854535699.

The spelling of 10400983 in words is "ten million, four hundred thousand, nine hundred eighty-three".