46389281 has 8 divisors (see below), whose sum is σ = 47748960. Its totient is φ = 45048832.

The previous prime is 46389263. The next prime is 46389283. The reversal of 46389281 is 18298364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46389281 is a prime.

It is a super-2 number, since 2×46389281² = 4303930783393922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46389283) 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 7 ways as a sum of consecutive naturals, for example, 161 + ... + 9633.

It is an arithmetic number, because the mean of its divisors is an integer number (5968620).

Almost surely, 2^46389281 is an apocalyptic number.

It is an amenable number.

46389281 is a deficient number, since it is larger than the sum of its proper divisors (1359679).

46389281 is an equidigital number, since it uses as much as digits as its factorization.

46389281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615.

The product of its digits is 82944, while the sum is 41.

The square root of 46389281 is about 6810.9676992333. The cubic root of 46389281 is about 359.3126829413.

The spelling of 46389281 in words is "forty-six million, three hundred eighty-nine thousand, two hundred eighty-one".