47390417 has 8 divisors (see below), whose sum is σ = 48017256. Its totient is φ = 46766592.

The previous prime is 47390381. The next prime is 47390459. The reversal of 47390417 is 71409374.

It can be written as a sum of positive squares in 4 ways, for example, as 961 + 47389456 = 31^2 + 6884^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47390417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47390477) 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, 59063 + ... + 59859.

It is an arithmetic number, because the mean of its divisors is an integer number (6002157).

Almost surely, 2^47390417 is an apocalyptic number.

It is an amenable number.

47390417 is a deficient number, since it is larger than the sum of its proper divisors (626839).

47390417 is an equidigital number, since it uses as much as digits as its factorization.

47390417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 47390417 is about 6884.0697991813. The cubic root of 47390417 is about 361.8791070932.

The spelling of 47390417 in words is "forty-seven million, three hundred ninety thousand, four hundred seventeen".