46911809 has 8 divisors (see below), whose sum is σ = 53670720. Its totient is φ = 40167216.

The previous prime is 46911797. The next prime is 46911827. The reversal of 46911809 is 90811964.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46911809 - 2⁴ = 46911793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46911899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (6708840).

Almost surely, 2^46911809 is an apocalyptic number.

It is an amenable number.

46911809 is a deficient number, since it is larger than the sum of its proper divisors (6758911).

46911809 is a wasteful number, since it uses less digits than its factorization.

46911809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 46911809 is about 6849.2195905811. The cubic root of 46911809 is about 360.6567461317.

The spelling of 46911809 in words is "forty-six million, nine hundred eleven thousand, eight hundred nine".