3748140 has 96 divisors (see below), whose sum is σ = 12741120. Its totient is φ = 907200.

The previous prime is 3748139. The next prime is 3748141. The reversal of 3748140 is 418473.

It is an interprime number because it is at equal distance from previous prime (3748139) and next prime (3748141).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748141) 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, 5625 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (132720).

Almost surely, 2^3748140 is an apocalyptic number.

3748140 is a gapful number since it is divisible by the number (30) 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 3748140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6370560).

3748140 is an abundant number, since it is smaller than the sum of its proper divisors (8992980).

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

3748140 is a wasteful number, since it uses less digits than its factorization.

3748140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 3748140 is about 1936.0113636030. The cubic root of 3748140 is about 155.3359345943.

The spelling of 3748140 in words is "three million, seven hundred forty-eight thousand, one hundred forty".