3361840 has 20 divisors (see below), whose sum is σ = 7816464. Its totient is φ = 1344704.

The previous prime is 3361829. The next prime is 3361847. The reversal of 3361840 is 481633.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×3361840² = 22603936371200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3361847) 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, 20932 + ... + 21091.

Almost surely, 2^3361840 is an apocalyptic number.

It is an amenable number.

3361840 is an abundant number, since it is smaller than the sum of its proper divisors (4454624).

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

3361840 is a wasteful number, since it uses less digits than its factorization.

3361840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42036 (or 42030 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3361840 is about 1833.5321104360. The cubic root of 3361840 is about 149.8047830830.

The spelling of 3361840 in words is "three million, three hundred sixty-one thousand, eight hundred forty".