10400446 has 16 divisors (see below), whose sum is σ = 18194400. Its totient is φ = 4457040.

The previous prime is 10400443. The next prime is 10400449. The reversal of 10400446 is 64400401.

It is an interprime number because it is at equal distance from previous prime (10400443) and next prime (10400449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400443) 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, 6895 + ... + 8266.

It is an arithmetic number, because the mean of its divisors is an integer number (1137150).

Almost surely, 2^10400446 is an apocalyptic number.

10400446 is a deficient number, since it is larger than the sum of its proper divisors (7793954).

10400446 is an equidigital number, since it uses as much as digits as its factorization.

10400446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15184 (or 15170 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 10400446 is about 3224.9722479426. The cubic root of 10400446 is about 218.2816968319.

Adding to 10400446 its reverse (64400401), we get a palindrome (74800847).

The spelling of 10400446 in words is "ten million, four hundred thousand, four hundred forty-six".