46278385 has 4 divisors (see below), whose sum is σ = 55534068. Its totient is φ = 37022704.

The previous prime is 46278377. The next prime is 46278389. The reversal of 46278385 is 58387264.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15186609 + 31091776 = 3897^2 + 5576^2 .

It is a cyclic number.

It is not a de Polignac number, because 46278385 - 2³ = 46278377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46278389) 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, 4627834 + ... + 4627843.

It is an arithmetic number, because the mean of its divisors is an integer number (13883517).

Almost surely, 2^46278385 is an apocalyptic number.

It is an amenable number.

46278385 is a deficient number, since it is larger than the sum of its proper divisors (9255683).

46278385 is an equidigital number, since it uses as much as digits as its factorization.

46278385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9255682.

The product of its digits is 322560, while the sum is 43.

The square root of 46278385 is about 6802.8218409716. The cubic root of 46278385 is about 359.0261359039.

The spelling of 46278385 in words is "forty-six million, two hundred seventy-eight thousand, three hundred eighty-five".