46378939 has 2 divisors, whose sum is σ = 46378940. Its totient is φ = 46378938.

The previous prime is 46378933. The next prime is 46378949. The reversal of 46378939 is 93987364.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46378939 - 2¹⁷ = 46247867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46378892 and 46378901.

It is not a weakly prime, because it can be changed into another prime (46378933) 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 as a sum of consecutive naturals, namely, 23189469 + 23189470.

It is an arithmetic number, because the mean of its divisors is an integer number (23189470).

Almost surely, 2^46378939 is an apocalyptic number.

46378939 is a deficient number, since it is larger than the sum of its proper divisors (1).

46378939 is an equidigital number, since it uses as much as digits as its factorization.

46378939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 46378939 is about 6810.2084402755. The cubic root of 46378939 is about 359.2859793015.

The spelling of 46378939 in words is "forty-six million, three hundred seventy-eight thousand, nine hundred thirty-nine".