10400289 has 4 divisors (see below), whose sum is σ = 13867056. Its totient is φ = 6933524.

The previous prime is 10400287. The next prime is 10400297. The reversal of 10400289 is 98200401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10400289 - 2¹ = 10400287 is a prime.

It is a super-3 number, since 3×10400289³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10400287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733379 + ... + 1733384.

It is an arithmetic number, because the mean of its divisors is an integer number (3466764).

Almost surely, 2^10400289 is an apocalyptic number.

It is an amenable number.

10400289 is a deficient number, since it is larger than the sum of its proper divisors (3466767).

10400289 is an equidigital number, since it uses as much as digits as its factorization.

10400289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466766.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 10400289 is about 3224.9479065560. The cubic root of 10400289 is about 218.2805984688.

The spelling of 10400289 in words is "ten million, four hundred thousand, two hundred eighty-nine".