46640823 has 8 divisors (see below), whose sum is σ = 63063936. Its totient is φ = 30655800.

The previous prime is 46640819. The next prime is 46640837. The reversal of 46640823 is 32804664.

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

It is not a de Polignac number, because 46640823 - 2² = 46640819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46640813) 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 in 7 ways as a sum of consecutive naturals, for example, 109273 + ... + 109698.

It is an arithmetic number, because the mean of its divisors is an integer number (7882992).

Almost surely, 2^46640823 is an apocalyptic number.

46640823 is a deficient number, since it is larger than the sum of its proper divisors (16423113).

46640823 is a wasteful number, since it uses less digits than its factorization.

46640823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219045.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 46640823 is about 6829.4086859698. The cubic root of 46640823 is about 359.9609602727.

The spelling of 46640823 in words is "forty-six million, six hundred forty thousand, eight hundred twenty-three".