3727940 has 12 divisors (see below), whose sum is σ = 7828716. Its totient is φ = 1491168.

The previous prime is 3727939. The next prime is 3727949. The reversal of 3727940 is 497273.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 2715904 = 1006^2 + 1648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3727897 and 3727906.

It is not an unprimeable number, because it can be changed into a prime (3727949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93179 + ... + 93218.

It is an arithmetic number, because the mean of its divisors is an integer number (652393).

Almost surely, 2^3727940 is an apocalyptic number.

It is an amenable number.

3727940 is an abundant number, since it is smaller than the sum of its proper divisors (4100776).

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

3727940 is a wasteful number, since it uses less digits than its factorization.

3727940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186406 (or 186404 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 3727940 is about 1930.7874041437. The cubic root of 3727940 is about 155.0563790742.

The spelling of 3727940 in words is "three million, seven hundred twenty-seven thousand, nine hundred forty".