918413 has 8 divisors (see below), whose sum is σ = 973248. Its totient is φ = 864864.

The previous prime is 918397. The next prime is 918431. The reversal of 918413 is 314819.

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 918413 - 2⁴ = 918397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918433) 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, 1406 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (121656).

2⁹¹⁸⁴¹³ is an apocalyptic number.

It is an amenable number.

918413 is a deficient number, since it is larger than the sum of its proper divisors (54835).

918413 is a wasteful number, since it uses less digits than its factorization.

918413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 864, while the sum is 26.

The square root of 918413 is about 958.3386666518. The cubic root of 918413 is about 97.2029265773.

It can be divided in two parts, 918 and 413, that added together give a palindrome (1331).

The spelling of 918413 in words is "nine hundred eighteen thousand, four hundred thirteen".