10421384 has 8 divisors (see below), whose sum is σ = 19540110. Its totient is φ = 5210688.

The previous prime is 10421377. The next prime is 10421387. The reversal of 10421384 is 48312401.

It can be written as a sum of positive squares in only one way, i.e., 8236900 + 2184484 = 2870^2 + 1478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (10421387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651329 + ... + 651344.

Almost surely, 2^10421384 is an apocalyptic number.

It is an amenable number.

10421384 is a deficient number, since it is larger than the sum of its proper divisors (9118726).

10421384 is a wasteful number, since it uses less digits than its factorization.

10421384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302679 (or 1302675 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 10421384 is about 3228.2168452568. The cubic root of 10421384 is about 218.4280789707.

Adding to 10421384 its reverse (48312401), we get a palindrome (58733785).

The spelling of 10421384 in words is "ten million, four hundred twenty-one thousand, three hundred eighty-four".