43798261 has 4 divisors (see below), whose sum is σ = 47167372. Its totient is φ = 40429152.

The previous prime is 43798259. The next prime is 43798277. The reversal of 43798261 is 16289734.

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 19847025 + 23951236 = 4455^2 + 4894^2 .

It is a cyclic number.

It is not a de Polignac number, because 43798261 - 2¹ = 43798259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43798201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684536 + ... + 1684561.

It is an arithmetic number, because the mean of its divisors is an integer number (11791843).

Almost surely, 2^43798261 is an apocalyptic number.

It is an amenable number.

43798261 is a deficient number, since it is larger than the sum of its proper divisors (3369111).

43798261 is a wasteful number, since it uses less digits than its factorization.

43798261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369110.

The product of its digits is 72576, while the sum is 40.

The square root of 43798261 is about 6618.0254608153. The cubic root of 43798261 is about 352.4944545847.

The spelling of 43798261 in words is "forty-three million, seven hundred ninety-eight thousand, two hundred sixty-one".