47263985 has 16 divisors (see below), whose sum is σ = 58482000. Its totient is φ = 36642816.

The previous prime is 47263981. The next prime is 47263991. The reversal of 47263985 is 58936274.

It can be written as a sum of positive squares in 8 ways, for example, as 39601 + 47224384 = 199^2 + 6872^2 .

It is a cyclic number.

It is not a de Polignac number, because 47263985 - 2² = 47263981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47263981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82781 + ... + 83349.

It is an arithmetic number, because the mean of its divisors is an integer number (3655125).

Almost surely, 2^47263985 is an apocalyptic number.

It is an amenable number.

47263985 is a deficient number, since it is larger than the sum of its proper divisors (11218015).

47263985 is a wasteful number, since it uses less digits than its factorization.

47263985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its digits is 362880, while the sum is 44.

The square root of 47263985 is about 6874.8807262381. The cubic root of 47263985 is about 361.5570036630.

The spelling of 47263985 in words is "forty-seven million, two hundred sixty-three thousand, nine hundred eighty-five".