47390461 has 4 divisors (see below), whose sum is σ = 47404672. Its totient is φ = 47376252.

The previous prime is 47390459. The next prime is 47390477. The reversal of 47390461 is 16409374.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16409374 = 2 ⋅8204687.

It is a cyclic number.

It is not a de Polignac number, because 47390461 - 2¹ = 47390459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47390561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916 + ... + 9778.

It is an arithmetic number, because the mean of its divisors is an integer number (11851168).

Almost surely, 2^47390461 is an apocalyptic number.

It is an amenable number.

47390461 is a deficient number, since it is larger than the sum of its proper divisors (14211).

47390461 is an equidigital number, since it uses as much as digits as its factorization.

47390461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47390461 is about 6884.0729949645. The cubic root of 47390461 is about 361.8792190897.

The spelling of 47390461 in words is "forty-seven million, three hundred ninety thousand, four hundred sixty-one".