47261284 has 72 divisors (see below), whose sum is σ = 104314560. Its totient is φ = 18670176.

The previous prime is 47261243. The next prime is 47261287. The reversal of 47261284 is 48216274.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47261287) 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 23 ways as a sum of consecutive naturals, for example, 1277314 + ... + 1277350.

Almost surely, 2^47261284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47261284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52157280).

47261284 is an abundant number, since it is smaller than the sum of its proper divisors (57053276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47261284 is an equidigital number, since it uses as much as digits as its factorization.

47261284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 65 counting only the distinct ones).

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

The square root of 47261284 is about 6874.6842836599. The cubic root of 47261284 is about 361.5501162196.

The spelling of 47261284 in words is "forty-seven million, two hundred sixty-one thousand, two hundred eighty-four".