3920365 has 16 divisors (see below), whose sum is σ = 5126400. Its totient is φ = 2866752.

The previous prime is 3920359. The next prime is 3920377. The reversal of 3920365 is 5630293.

3920365 = 126² + 127² + ... + 239².

It is a cyclic number.

It is not a de Polignac number, because 3920365 - 2¹⁷ = 3789293 is a prime.

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, 2044 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (320400).

Almost surely, 2^3920365 is an apocalyptic number.

It is an amenable number.

3920365 is a deficient number, since it is larger than the sum of its proper divisors (1206035).

3920365 is a wasteful number, since it uses less digits than its factorization.

3920365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 3920365 is about 1979.9911615964. The cubic root of 3920365 is about 157.6795969254.

The spelling of 3920365 in words is "three million, nine hundred twenty thousand, three hundred sixty-five".