918820541 has 8 divisors (see below), whose sum is σ = 932027040. Its totient is φ = 905665072.

The previous prime is 918820499. The next prime is 918820549. The reversal of 918820541 is 145028819.

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 918820541 - 2⁶ = 918820477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 918820495 and 918820504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918820549) 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, 24275 + ... + 49263.

It is an arithmetic number, because the mean of its divisors is an integer number (116503380).

Almost surely, 2^918820541 is an apocalyptic number.

It is an amenable number.

918820541 is a deficient number, since it is larger than the sum of its proper divisors (13206499).

918820541 is a wasteful number, since it uses less digits than its factorization.

918820541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25515.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 918820541 is about 30312.0527348446. The cubic root of 918820541 is about 972.1730221580.

The spelling of 918820541 in words is "nine hundred eighteen million, eight hundred twenty thousand, five hundred forty-one".