7289261 has 8 divisors (see below), whose sum is σ = 8367360. Its totient is φ = 6220368.

The previous prime is 7289239. The next prime is 7289279. The reversal of 7289261 is 1629827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7289261 - 2¹⁸ = 7027117 is a prime.

It is a super-2 number, since 2×7289261² = 106266651852242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7289221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (1045920).

Almost surely, 2^7289261 is an apocalyptic number.

It is an amenable number.

7289261 is a deficient number, since it is larger than the sum of its proper divisors (1078099).

7289261 is a wasteful number, since it uses less digits than its factorization.

7289261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603.

The product of its digits is 12096, while the sum is 35.

The square root of 7289261 is about 2699.8631446797. The cubic root of 7289261 is about 193.8925699175.

The spelling of 7289261 in words is "seven million, two hundred eighty-nine thousand, two hundred sixty-one".