10400432 has 20 divisors (see below), whose sum is σ = 23029776. Its totient is φ = 4457280.

The previous prime is 10400431. The next prime is 10400443. The reversal of 10400432 is 23400401.

10400432 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

10400432 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (10400431) 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, 46319 + ... + 46542.

Almost surely, 2^10400432 is an apocalyptic number.

It is an amenable number.

10400432 is an abundant number, since it is smaller than the sum of its proper divisors (12629344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10400432 is an equidigital number, since it uses as much as digits as its factorization.

10400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92876 (or 92870 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 10400432 is about 3224.9700773806. The cubic root of 10400432 is about 218.2815988891.

Adding to 10400432 its reverse (23400401), we get a palindrome (33800833).

The spelling of 10400432 in words is "ten million, four hundred thousand, four hundred thirty-two".