3674890 has 16 divisors (see below), whose sum is σ = 7004232. Its totient is φ = 1383424.

The previous prime is 3674863. The next prime is 3674897. The reversal of 3674890 is 984763.

It is a Cunningham number, because it is equal to 1917²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2859481 + 815409 = 1691^2 + 903^2 .

It is not an unprimeable number, because it can be changed into a prime (3674897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10639 + ... + 10978.

Almost surely, 2^3674890 is an apocalyptic number.

3674890 is a deficient number, since it is larger than the sum of its proper divisors (3329342).

3674890 is a wasteful number, since it uses less digits than its factorization.

3674890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21641.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3674890 is about 1917.0002608242. Note that the first 3 decimals coincide. The cubic root of 3674890 is about 154.3173587029.

The spelling of 3674890 in words is "three million, six hundred seventy-four thousand, eight hundred ninety".