5421000 has 128 divisors (see below), whose sum is σ = 18345600. Its totient is φ = 1324800.

The previous prime is 5420983. The next prime is 5421007. The reversal of 5421000 is 1245.

5421000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38931 + ... + 39069.

It is an arithmetic number, because the mean of its divisors is an integer number (143325).

Almost surely, 2^5421000 is an apocalyptic number.

5421000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9172800).

5421000 is an abundant number, since it is smaller than the sum of its proper divisors (12924600).

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

5421000 is a wasteful number, since it uses less digits than its factorization.

5421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 5421000 is about 2328.3041038490. The cubic root of 5421000 is about 175.6681937215.

Adding to 5421000 its reverse (1245), we get a palindrome (5422245).

The spelling of 5421000 in words is "five million, four hundred twenty-one thousand".