46689427 has 2 divisors, whose sum is σ = 46689428. Its totient is φ = 46689426.

The previous prime is 46689421. The next prime is 46689437. The reversal of 46689427 is 72498664.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46689427 is a prime.

It is not a weakly prime, because it can be changed into another prime (46689421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23344713 + 23344714.

It is an arithmetic number, because the mean of its divisors is an integer number (23344714).

Almost surely, 2^46689427 is an apocalyptic number.

46689427 is a deficient number, since it is larger than the sum of its proper divisors (1).

46689427 is an equidigital number, since it uses as much as digits as its factorization.

46689427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 46689427 is about 6832.9661933892. The cubic root of 46689427 is about 360.0859542700.

The spelling of 46689427 in words is "forty-six million, six hundred eighty-nine thousand, four hundred twenty-seven".