47284261 has 8 divisors (see below), whose sum is σ = 49046904. Its totient is φ = 45547200.

The previous prime is 47284243. The next prime is 47284267. The reversal of 47284261 is 16248274.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13003236 + 34281025 = 3606^2 + 5855^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47284261 - 2⁵ = 47284229 is a prime.

It is a super-2 number, since 2×47284261² = 4471602676632242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47284267) 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, 2590 + ... + 10063.

It is an arithmetic number, because the mean of its divisors is an integer number (6130863).

Almost surely, 2^47284261 is an apocalyptic number.

It is an amenable number.

47284261 is a deficient number, since it is larger than the sum of its proper divisors (1762643).

47284261 is a wasteful number, since it uses less digits than its factorization.

47284261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12791.

The product of its digits is 21504, while the sum is 34.

The square root of 47284261 is about 6876.3552118837. The cubic root of 47284261 is about 361.6086982866.

The spelling of 47284261 in words is "forty-seven million, two hundred eighty-four thousand, two hundred sixty-one".