47693385 has 24 divisors (see below), whose sum is σ = 83076864. Its totient is φ = 25310880.

The previous prime is 47693383. The next prime is 47693389. The reversal of 47693385 is 58339674.

It is not a de Polignac number, because 47693385 - 2¹ = 47693383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47693385.

It is not an unprimeable number, because it can be changed into a prime (47693383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6984 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (3461536).

Almost surely, 2^47693385 is an apocalyptic number.

47693385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47693385 is a deficient number, since it is larger than the sum of its proper divisors (35383479).

47693385 is a wasteful number, since it uses less digits than its factorization.

47693385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245 (or 5242 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 47693385 is about 6906.0397479308. The cubic root of 47693385 is about 362.6486366281.

The spelling of 47693385 in words is "forty-seven million, six hundred ninety-three thousand, three hundred eighty-five".