3726909 has 6 divisors (see below), whose sum is σ = 5383326. Its totient is φ = 2484600.

The previous prime is 3726889. The next prime is 3726911. The reversal of 3726909 is 9096273.

It can be written as a sum of positive squares in only one way, i.e., 3250809 + 476100 = 1803^2 + 690^2 .

It is not a de Polignac number, because 3726909 - 2⁹ = 3726397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207042 + ... + 207059.

It is an arithmetic number, because the mean of its divisors is an integer number (897221).

Almost surely, 2^3726909 is an apocalyptic number.

It is an amenable number.

3726909 is a deficient number, since it is larger than the sum of its proper divisors (1656417).

3726909 is a wasteful number, since it uses less digits than its factorization.

3726909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414107 (or 414104 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 3726909 is about 1930.5203961627. The cubic root of 3726909 is about 155.0420836129.

The spelling of 3726909 in words is "three million, seven hundred twenty-six thousand, nine hundred nine".