46639906 has 32 divisors (see below), whose sum is σ = 76279680. Its totient is φ = 21326976.

The previous prime is 46639897. The next prime is 46639939. The reversal of 46639906 is 60993664.

46639906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113830 + ... + 114238.

It is an arithmetic number, because the mean of its divisors is an integer number (2383740).

Almost surely, 2^46639906 is an apocalyptic number.

46639906 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

46639906 is a deficient number, since it is larger than the sum of its proper divisors (29639774).

46639906 is a wasteful number, since it uses less digits than its factorization.

46639906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 46639906 is about 6829.3415495200. The cubic root of 46639906 is about 359.9586012065.

The spelling of 46639906 in words is "forty-six million, six hundred thirty-nine thousand, nine hundred six".