3961093 has 4 divisors (see below), whose sum is σ = 3965248. Its totient is φ = 3956940.

The previous prime is 3961057. The next prime is 3961121. The reversal of 3961093 is 3901693.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3961093 - 2⁹ = 3960581 is a prime.

It is a Duffinian number.

3961093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (991312).

Almost surely, 2^3961093 is an apocalyptic number.

It is an amenable number.

3961093 is a deficient number, since it is larger than the sum of its proper divisors (4155).

3961093 is a wasteful number, since it uses less digits than its factorization.

3961093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 3961093 is about 1990.2494818489. The cubic root of 3961093 is about 158.2237523092.

The spelling of 3961093 in words is "three million, nine hundred sixty-one thousand, ninety-three".