5214240 has 192 divisors, whose sum is σ = 19595520. Its totient is φ = 1290240.

The previous prime is 5214221. The next prime is 5214259. The reversal of 5214240 is 424125.

It is an interprime number because it is at equal distance from previous prime (5214221) and next prime (5214259).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73405 + ... + 73475.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

Almost surely, 2^5214240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5214240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9797760).

5214240 is an abundant number, since it is smaller than the sum of its proper divisors (14381280).

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

5214240 is a wasteful number, since it uses less digits than its factorization.

5214240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5214240 is about 2283.4710420761. The cubic root of 5214240 is about 173.4058210950.

Adding to 5214240 its reverse (424125), we get a palindrome (5638365).

It can be divided in two parts, 521 and 4240, that added together give a square (4761 = 69²).

The spelling of 5214240 in words is "five million, two hundred fourteen thousand, two hundred forty".