3714640 has 40 divisors (see below), whose sum is σ = 8794080. Its totient is φ = 1458816.

The previous prime is 3714631. The next prime is 3714643. The reversal of 3714640 is 464173.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3714643) 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, 4327 + ... + 5113.

It is an arithmetic number, because the mean of its divisors is an integer number (219852).

Almost surely, 2^3714640 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 3714640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4397040).

3714640 is an abundant number, since it is smaller than the sum of its proper divisors (5079440).

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

3714640 is a wasteful number, since it uses less digits than its factorization.

3714640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3714640 is about 1927.3401360424. The cubic root of 3714640 is about 154.8717635154.

It can be divided in two parts, 371 and 4640, that multiplied together give a triangular number (1721440 = T₁₈₅₅).

The spelling of 3714640 in words is "three million, seven hundred fourteen thousand, six hundred forty".