7944261 has 32 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 4536000.

The previous prime is 7944259. The next prime is 7944281. The reversal of 7944261 is 1624497.

It is a happy number.

It is not a de Polignac number, because 7944261 - 2¹ = 7944259 is a prime.

It is a super-2 number, since 2×7944261² = 126222565672242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944221) 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 31 ways as a sum of consecutive naturals, for example, 52536 + ... + 52686.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^7944261 is an apocalyptic number.

7944261 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7944261 is a deficient number, since it is larger than the sum of its proper divisors (4313019).

7944261 is a wasteful number, since it uses less digits than its factorization.

7944261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257.

The product of its digits is 12096, while the sum is 33.

The square root of 7944261 is about 2818.5565454679. The cubic root of 7944261 is about 199.5344253757.

The spelling of 7944261 in words is "seven million, nine hundred forty-four thousand, two hundred sixty-one".