3900093 has 4 divisors (see below), whose sum is σ = 5200128. Its totient is φ = 2600060.

The previous prime is 3900067. The next prime is 3900097.

3900093 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3900093 - 2¹⁶ = 3834557 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900097) 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 3 ways as a sum of consecutive naturals, for example, 650013 + ... + 650018.

It is an arithmetic number, because the mean of its divisors is an integer number (1300032).

Almost surely, 2^3900093 is an apocalyptic number.

It is an amenable number.

3900093 is a deficient number, since it is larger than the sum of its proper divisors (1300035).

3900093 is a wasteful number, since it uses less digits than its factorization.

3900093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300034.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 3900093 is about 1974.8653118631. The cubic root of 3900093 is about 157.4073428298.

It can be divided in two parts, 39000 and 93, that added together give a palindrome (39093).

The spelling of 3900093 in words is "three million, nine hundred thousand, ninety-three".