3978093 has 8 divisors (see below), whose sum is σ = 6061888. Its totient is φ = 2273184.

The previous prime is 3978071. The next prime is 3978101. The reversal of 3978093 is 3908793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3978093 - 2¹⁰ = 3977069 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94696 + ... + 94737.

It is an arithmetic number, because the mean of its divisors is an integer number (757736).

Almost surely, 2^3978093 is an apocalyptic number.

It is an amenable number.

3978093 is a deficient number, since it is larger than the sum of its proper divisors (2083795).

3978093 is a wasteful number, since it uses less digits than its factorization.

3978093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189443.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3978093 is about 1994.5157306976. The cubic root of 3978093 is about 158.4497812491.

The spelling of 3978093 in words is "three million, nine hundred seventy-eight thousand, ninety-three".