46618621 has 4 divisors (see below), whose sum is σ = 53278432. Its totient is φ = 39958812.

The previous prime is 46618619. The next prime is 46618633. The reversal of 46618621 is 12681664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46618621 - 2¹ = 46618619 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 (46618601) 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, 3329895 + ... + 3329908.

It is an arithmetic number, because the mean of its divisors is an integer number (13319608).

Almost surely, 2^46618621 is an apocalyptic number.

It is an amenable number.

46618621 is a deficient number, since it is larger than the sum of its proper divisors (6659811).

46618621 is an equidigital number, since it uses as much as digits as its factorization.

46618621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659810.

The product of its digits is 13824, while the sum is 34.

The square root of 46618621 is about 6827.7830223287. The cubic root of 46618621 is about 359.9038349109.

The spelling of 46618621 in words is "forty-six million, six hundred eighteen thousand, six hundred twenty-one".