46678387 has 4 divisors (see below), whose sum is σ = 53346736. Its totient is φ = 40010040.

The previous prime is 46678369. The next prime is 46678391. The reversal of 46678387 is 78387664.

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

It is not a de Polignac number, because 46678387 - 2⁷ = 46678259 is a prime.

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 46678387.

It is not an unprimeable number, because it can be changed into a prime (46678397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334164 + ... + 3334177.

It is an arithmetic number, because the mean of its divisors is an integer number (13336684).

Almost surely, 2^46678387 is an apocalyptic number.

46678387 is a deficient number, since it is larger than the sum of its proper divisors (6668349).

46678387 is an equidigital number, since it uses as much as digits as its factorization.

46678387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668348.

The product of its digits is 1354752, while the sum is 49.

The square root of 46678387 is about 6832.1582973465. The cubic root of 46678387 is about 360.0575705254.

The spelling of 46678387 in words is "forty-six million, six hundred seventy-eight thousand, three hundred eighty-seven".