46289081 has 4 divisors (see below), whose sum is σ = 46923252. Its totient is φ = 45654912.

The previous prime is 46289071. The next prime is 46289083. The reversal of 46289081 is 18098264.

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 17505856 + 28783225 = 4184^2 + 5365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46289081 is a prime.

It is a super-2 number, since 2×46289081² = 4285358039649122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46289083) 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, 316976 + ... + 317121.

It is an arithmetic number, because the mean of its divisors is an integer number (11730813).

Almost surely, 2^46289081 is an apocalyptic number.

It is an amenable number.

46289081 is a deficient number, since it is larger than the sum of its proper divisors (634171).

46289081 is an equidigital number, since it uses as much as digits as its factorization.

46289081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634170.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 46289081 is about 6803.6079399095. The cubic root of 46289081 is about 359.0537935079.

The spelling of 46289081 in words is "forty-six million, two hundred eighty-nine thousand, eighty-one".