3720248 has 32 divisors (see below), whose sum is σ = 8232960. Its totient is φ = 1542240.

The previous prime is 3720247. The next prime is 3720251. The reversal of 3720248 is 8420273.

It is a super-3 number, since 3×3720248³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (257280).

Almost surely, 2^3720248 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 3720248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4116480).

3720248 is an abundant number, since it is smaller than the sum of its proper divisors (4512712).

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

3720248 is a wasteful number, since it uses less digits than its factorization.

3720248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3720248 is about 1928.7944421322. The cubic root of 3720248 is about 154.9496610727.

The spelling of 3720248 in words is "three million, seven hundred twenty thousand, two hundred forty-eight".