3965290 has 32 divisors (see below), whose sum is σ = 8383104. Its totient is φ = 1321920.

The previous prime is 3965231. The next prime is 3965309. The reversal of 3965290 is 925693.

3965290 = T₆₀₄ + T₆₀₅ + ... + T₆₂₄.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

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, 1825 + ... + 3355.

It is an arithmetic number, because the mean of its divisors is an integer number (261972).

Almost surely, 2^3965290 is an apocalyptic number.

3965290 is an abundant number, since it is smaller than the sum of its proper divisors (4417814).

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

3965290 is a wasteful number, since it uses less digits than its factorization.

3965290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 3965290 is about 1991.3035931269. The cubic root of 3965290 is about 158.2796148947.

The spelling of 3965290 in words is "three million, nine hundred sixty-five thousand, two hundred ninety".