3613940 has 24 divisors (see below), whose sum is σ = 8279712. Its totient is φ = 1314080.

The previous prime is 3613931. The next prime is 3613957. The reversal of 3613940 is 493163.

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, 7994 + ... + 8433.

It is an arithmetic number, because the mean of its divisors is an integer number (344988).

Almost surely, 2^3613940 is an apocalyptic number.

It is an amenable number.

3613940 is an abundant number, since it is smaller than the sum of its proper divisors (4665772).

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

3613940 is a wasteful number, since it uses less digits than its factorization.

3613940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16447 (or 16445 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3613940 is about 1901.0365593539. The cubic root of 3613940 is about 153.4594530514.

The spelling of 3613940 in words is "three million, six hundred thirteen thousand, nine hundred forty".