46478191 has 4 divisors (see below), whose sum is σ = 47355192. Its totient is φ = 45601192.

The previous prime is 46478189. The next prime is 46478197. The reversal of 46478191 is 19187464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46478191 - 2¹ = 46478189 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 (46478197) 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, 438421 + ... + 438526.

It is an arithmetic number, because the mean of its divisors is an integer number (11838798).

Almost surely, 2^46478191 is an apocalyptic number.

46478191 is a deficient number, since it is larger than the sum of its proper divisors (877001).

46478191 is an equidigital number, since it uses as much as digits as its factorization.

46478191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877000.

The product of its digits is 48384, while the sum is 40.

The square root of 46478191 is about 6817.4915474828. The cubic root of 46478191 is about 359.5420901236.

The spelling of 46478191 in words is "forty-six million, four hundred seventy-eight thousand, one hundred ninety-one".