10406394 has 20 divisors (see below), whose sum is σ = 23318394. Its totient is φ = 3468744.

The previous prime is 10406393. The next prime is 10406423. The reversal of 10406394 is 49360401.

It can be written as a sum of positive squares in only one way, i.e., 7634169 + 2772225 = 2763^2 + 1665^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10406393) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31957 + ... + 32280.

Almost surely, 2^10406394 is an apocalyptic number.

10406394 is an abundant number, since it is smaller than the sum of its proper divisors (12912000).

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

10406394 is an equidigital number, since it uses as much as digits as its factorization.

10406394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64251 (or 64242 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 10406394 is about 3225.8942946104. The cubic root of 10406394 is about 218.3233005639.

Adding to 10406394 its reverse (49360401), we get a palindrome (59766795).

The spelling of 10406394 in words is "ten million, four hundred six thousand, three hundred ninety-four".