9378949 has 4 divisors (see below), whose sum is σ = 9419436. Its totient is φ = 9338464.

The previous prime is 9378931. The next prime is 9378953. The reversal of 9378949 is 9498739.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5094049 + 4284900 = 2257^2 + 2070^2 .

It is a cyclic number.

It is not a de Polignac number, because 9378949 - 2⁹ = 9378437 is a prime.

It is a super-3 number, since 3×9378949³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9378979) 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, 19894 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (2354859).

Almost surely, 2^9378949 is an apocalyptic number.

It is an amenable number.

9378949 is a deficient number, since it is larger than the sum of its proper divisors (40487).

9378949 is a wasteful number, since it uses less digits than its factorization.

9378949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40486.

The product of its digits is 489888, while the sum is 49.

The square root of 9378949 is about 3062.5069795839. The cubic root of 9378949 is about 210.8877685303.

The spelling of 9378949 in words is "nine million, three hundred seventy-eight thousand, nine hundred forty-nine".