9278741 has 4 divisors (see below), whose sum is σ = 9317484. Its totient is φ = 9240000.

The previous prime is 9278723. The next prime is 9278743. The reversal of 9278741 is 1478729.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1478729 = 7 ⋅211247.

It can be written as a sum of positive squares in 2 ways, for example, as 7043716 + 2235025 = 2654^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 9278741 - 2²² = 5084437 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9278695 and 9278704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9278743) 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, 19010 + ... + 19491.

It is an arithmetic number, because the mean of its divisors is an integer number (2329371).

Almost surely, 2^9278741 is an apocalyptic number.

It is an amenable number.

9278741 is a deficient number, since it is larger than the sum of its proper divisors (38743).

9278741 is a wasteful number, since it uses less digits than its factorization.

9278741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38742.

The product of its digits is 28224, while the sum is 38.

The square root of 9278741 is about 3046.1025918376. The cubic root of 9278741 is about 210.1340112125.

The spelling of 9278741 in words is "nine million, two hundred seventy-eight thousand, seven hundred forty-one".