3609140 has 24 divisors (see below), whose sum is σ = 7628712. Its totient is φ = 1434240.

The previous prime is 3609103. The next prime is 3609161. The reversal of 3609140 is 419063.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 3489424 = 346^2 + 1868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (317863).

Almost surely, 2^3609140 is an apocalyptic number.

It is an amenable number.

3609140 is an abundant number, since it is smaller than the sum of its proper divisors (4019572).

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

3609140 is a wasteful number, since it uses less digits than its factorization.

3609140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3609140 is about 1899.7736707303. The cubic root of 3609140 is about 153.3914818313.

The spelling of 3609140 in words is "three million, six hundred nine thousand, one hundred forty".