18460641 has 8 divisors (see below), whose sum is σ = 24926080. Its totient is φ = 12151152.

The previous prime is 18460627. The next prime is 18460661. The reversal of 18460641 is 14606481.

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

It is not a de Polignac number, because 18460641 - 2⁹ = 18460129 is a prime.

It is a super-2 number, since 2×18460641² = 681590532261762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18460599 and 18460608.

It is not an unprimeable number, because it can be changed into a prime (18460621) 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, 38710 + ... + 39183.

It is an arithmetic number, because the mean of its divisors is an integer number (3115760).

Almost surely, 2^18460641 is an apocalyptic number.

It is an amenable number.

18460641 is a deficient number, since it is larger than the sum of its proper divisors (6465439).

18460641 is an equidigital number, since it uses as much as digits as its factorization.

18460641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77975.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 18460641 is about 4296.5848065644. The cubic root of 18460641 is about 264.2909298494.

The spelling of 18460641 in words is "eighteen million, four hundred sixty thousand, six hundred forty-one".