46928909 has 4 divisors (see below), whose sum is σ = 46942716. Its totient is φ = 46915104.

The previous prime is 46928897. The next prime is 46928911. The reversal of 46928909 is 90982964.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28249225 + 18679684 = 5315^2 + 4322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46928909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46928929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177 + ... + 9929.

It is an arithmetic number, because the mean of its divisors is an integer number (11735679).

Almost surely, 2^46928909 is an apocalyptic number.

It is an amenable number.

46928909 is a deficient number, since it is larger than the sum of its proper divisors (13807).

46928909 is an equidigital number, since it uses as much as digits as its factorization.

46928909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13806.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 46928909 is about 6850.4677942459. The cubic root of 46928909 is about 360.7005622575.

The spelling of 46928909 in words is "forty-six million, nine hundred twenty-eight thousand, nine hundred nine".