3920293 has 6 divisors (see below), whose sum is σ = 4245234. Its totient is φ = 3618576.

The previous prime is 3920269. The next prime is 3920299.

It is a happy number.

3920293 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 412164 + 3508129 = 642^2 + 1873^2 .

It is not a de Polignac number, because 3920293 - 2⁹ = 3919781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11430 + ... + 11767.

It is an arithmetic number, because the mean of its divisors is an integer number (707539).

Almost surely, 2^3920293 is an apocalyptic number.

It is an amenable number.

3920293 is a deficient number, since it is larger than the sum of its proper divisors (324941).

3920293 is a wasteful number, since it uses less digits than its factorization.

3920293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23223 (or 23210 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3920293 is about 1979.9729796136. The cubic root of 3920293 is about 157.6786316241.

The spelling of 3920293 in words is "three million, nine hundred twenty thousand, two hundred ninety-three".