46539978 has 16 divisors (see below), whose sum is σ = 93190176. Its totient is φ = 15494960.

The previous prime is 46539973. The next prime is 46539979. The reversal of 46539978 is 87993564.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 46539978.

It is not an unprimeable number, because it can be changed into a prime (46539973) 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, 1525 + ... + 9767.

It is an arithmetic number, because the mean of its divisors is an integer number (5824386).

Almost surely, 2^46539978 is an apocalyptic number.

46539978 is an abundant number, since it is smaller than the sum of its proper divisors (46650198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46539978 is a wasteful number, since it uses less digits than its factorization.

46539978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189.

The product of its digits is 1632960, while the sum is 51.

The square root of 46539978 is about 6822.0215478991. The cubic root of 46539978 is about 359.7013418060.

The spelling of 46539978 in words is "forty-six million, five hundred thirty-nine thousand, nine hundred seventy-eight".