46642820 has 48 divisors (see below), whose sum is σ = 112347648. Its totient is φ = 15934080.

The previous prime is 46642819. The next prime is 46642823. The reversal of 46642820 is 2824664.

It is a happy number.

46642820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (46642823) 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, 59954 + ... + 60726.

It is an arithmetic number, because the mean of its divisors is an integer number (2340576).

Almost surely, 2^46642820 is an apocalyptic number.

It is an amenable number.

46642820 is an abundant number, since it is smaller than the sum of its proper divisors (65704828).

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

46642820 is a wasteful number, since it uses less digits than its factorization.

46642820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 46642820 is about 6829.5548903278. The cubic root of 46642820 is about 359.9660976304.

The spelling of 46642820 in words is "forty-six million, six hundred forty-two thousand, eight hundred twenty".