46999980 has 48 divisors (see below), whose sum is σ = 146223840. Its totient is φ = 12533184.

The previous prime is 46999963. The next prime is 46999987. The reversal of 46999980 is 8999964.

It is a happy number.

46999980 is a `hidden beast` number, since 469 + 99 + 98 + 0 = 666.

46999980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (46999987) by changing a digit.

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, 42979 + ... + 44058.

It is an arithmetic number, because the mean of its divisors is an integer number (3046330).

Almost surely, 2^46999980 is an apocalyptic number.

It is an amenable number.

46999980 is an abundant number, since it is smaller than the sum of its proper divisors (99223860).

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

46999980 is a wasteful number, since it uses less digits than its factorization.

46999980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87055 (or 87047 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 46999980 is about 6855.6531417510. The cubic root of 46999980 is about 360.8825568248.

The spelling of 46999980 in words is "forty-six million, nine hundred ninety-nine thousand, nine hundred eighty".