3787540 has 12 divisors (see below), whose sum is σ = 7953876. Its totient is φ = 1515008.

The previous prime is 3787529. The next prime is 3787547. The reversal of 3787540 is 457873.

3787540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 3319684 = 684^2 + 1822^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3787496 and 3787505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3787547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94669 + ... + 94708.

It is an arithmetic number, because the mean of its divisors is an integer number (662823).

Almost surely, 2^3787540 is an apocalyptic number.

It is an amenable number.

3787540 is an abundant number, since it is smaller than the sum of its proper divisors (4166336).

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

3787540 is a wasteful number, since it uses less digits than its factorization.

3787540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189386 (or 189384 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3787540 is about 1946.1603222756. The cubic root of 3787540 is about 155.8783294112.

The spelling of 3787540 in words is "three million, seven hundred eighty-seven thousand, five hundred forty".