47389769 has 8 divisors (see below), whose sum is σ = 54223488. Its totient is φ = 40572000.

The previous prime is 47389751. The next prime is 47389787. The reversal of 47389769 is 96798374.

It is an interprime number because it is at equal distance from previous prime (47389751) and next prime (47389787).

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

It is a de Polignac number, because none of the positive numbers 2^k-47389769 is a prime.

It is a super-2 number, since 2×47389769² = 4491580411746722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47389769.

It is not an unprimeable number, because it can be changed into a prime (47389709) 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, 3269 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (6777936).

Almost surely, 2^47389769 is an apocalyptic number.

It is an amenable number.

47389769 is a deficient number, since it is larger than the sum of its proper divisors (6833719).

47389769 is an equidigital number, since it uses as much as digits as its factorization.

47389769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975.

The product of its digits is 2286144, while the sum is 53.

The square root of 47389769 is about 6884.0227338381. The cubic root of 47389769 is about 361.8774576829.

The spelling of 47389769 in words is "forty-seven million, three hundred eighty-nine thousand, seven hundred sixty-nine".