3935890 has 32 divisors (see below), whose sum is σ = 8242560. Its totient is φ = 1325184.

The previous prime is 3935887. The next prime is 3935917. The reversal of 3935890 is 985393.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3654 + ... + 4606.

It is an arithmetic number, because the mean of its divisors is an integer number (257580).

Almost surely, 2^3935890 is an apocalyptic number.

3935890 is an abundant number, since it is smaller than the sum of its proper divisors (4306670).

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

3935890 is a wasteful number, since it uses less digits than its factorization.

3935890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 3935890 is about 1983.9077599526. The cubic root of 3935890 is about 157.8874645968.

The spelling of 3935890 in words is "three million, nine hundred thirty-five thousand, eight hundred ninety".