5106240 has 140 divisors (see below), whose sum is σ = 18255996. Its totient is φ = 1354752.

The previous prime is 5106229. The next prime is 5106247. The reversal of 5106240 is 426015.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 1327104 = 1944^2 + 1152^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5106247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25822 + ... + 26018.

Almost surely, 2^5106240 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 5106240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9127998).

5106240 is an abundant number, since it is smaller than the sum of its proper divisors (13149756).

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

5106240 is a wasteful number, since it uses less digits than its factorization.

5106240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5106240 is about 2259.6990950124. The cubic root of 5106240 is about 172.2002355252.

The spelling of 5106240 in words is "five million, one hundred six thousand, two hundred forty".