47288961 has 8 divisors (see below), whose sum is σ = 70057760. Its totient is φ = 31525956.

The previous prime is 47288947. The next prime is 47288963. The reversal of 47288961 is 16988274.

It is not a de Polignac number, because 47288961 - 2¹⁰ = 47287937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47288963) 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, 875695 + ... + 875748.

It is an arithmetic number, because the mean of its divisors is an integer number (8757220).

Almost surely, 2^47288961 is an apocalyptic number.

It is an amenable number.

47288961 is a deficient number, since it is larger than the sum of its proper divisors (22768799).

47288961 is a wasteful number, since it uses less digits than its factorization.

47288961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751452 (or 1751446 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 47288961 is about 6876.6969542070. The cubic root of 47288961 is about 361.6206790496.

It can be divided in two parts, 4728 and 8961, that added together give a square (13689 = 117²).

The spelling of 47288961 in words is "forty-seven million, two hundred eighty-eight thousand, nine hundred sixty-one".