5021478 has 48 divisors (see below), whose sum is σ = 13568256. Its totient is φ = 1303920.

The previous prime is 5021447. The next prime is 5021479. The reversal of 5021478 is 8741205.

5021478 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×5021478³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021479) 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, 426 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (282672).

Almost surely, 2^5021478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5021478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6784128).

5021478 is an abundant number, since it is smaller than the sum of its proper divisors (8546778).

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

5021478 is a wasteful number, since it uses less digits than its factorization.

5021478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5021478 is about 2240.8654578087. The cubic root of 5021478 is about 171.2420906713.

It can be divided in two parts, 50 and 21478, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 5021478 in words is "five million, twenty-one thousand, four hundred seventy-eight".