46811891 has 8 divisors (see below), whose sum is σ = 55225344. Its totient is φ = 38829960.

The previous prime is 46811851. The next prime is 46811899. The reversal of 46811891 is 19811864.

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 46811891 - 2¹⁰ = 46810867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46811899) 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, 107645 + ... + 108078.

It is an arithmetic number, because the mean of its divisors is an integer number (6903168).

Almost surely, 2^46811891 is an apocalyptic number.

46811891 is a deficient number, since it is larger than the sum of its proper divisors (8413453).

46811891 is a wasteful number, since it uses less digits than its factorization.

46811891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215761.

The product of its digits is 13824, while the sum is 38.

The square root of 46811891 is about 6841.9215868059. The cubic root of 46811891 is about 360.4005084778.

The spelling of 46811891 in words is "forty-six million, eight hundred eleven thousand, eight hundred ninety-one".