5418990 has 48 divisors (see below), whose sum is σ = 14835600. Its totient is φ = 1368576.

The previous prime is 5418977. The next prime is 5418991. The reversal of 5418990 is 998145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5418991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126 + ... + 3294.

It is an arithmetic number, because the mean of its divisors is an integer number (309075).

Almost surely, 2^5418990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5418990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7417800).

5418990 is an abundant number, since it is smaller than the sum of its proper divisors (9416610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5418990 is a wasteful number, since it uses less digits than its factorization.

5418990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5418990 is about 2327.8724191845. The cubic root of 5418990 is about 175.6464796025.

It can be divided in two parts, 54 and 18990, that added together give a square (19044 = 138²).

The spelling of 5418990 in words is "five million, four hundred eighteen thousand, nine hundred ninety".