47458397 has 4 divisors (see below), whose sum is σ = 54238176. Its totient is φ = 40678620.

The previous prime is 47458351. The next prime is 47458417. The reversal of 47458397 is 79385474.

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.

It is a cyclic number.

It is not a de Polignac number, because 47458397 - 2¹² = 47454301 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 (47458997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389879 + ... + 3389892.

It is an arithmetic number, because the mean of its divisors is an integer number (13559544).

Almost surely, 2^47458397 is an apocalyptic number.

It is an amenable number.

47458397 is a deficient number, since it is larger than the sum of its proper divisors (6779779).

47458397 is an equidigital number, since it uses as much as digits as its factorization.

47458397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779778.

The product of its digits is 846720, while the sum is 47.

The square root of 47458397 is about 6889.0055160379. The cubic root of 47458397 is about 362.0520589946.

The spelling of 47458397 in words is "forty-seven million, four hundred fifty-eight thousand, three hundred ninety-seven".