3926385 has 12 divisors (see below), whose sum is σ = 6805812. Its totient is φ = 2094048.

The previous prime is 3926357. The next prime is 3926423. The reversal of 3926385 is 5836293.

It can be written as a sum of positive squares in 2 ways, for example, as 992016 + 2934369 = 996^2 + 1713^2 .

It is not a de Polignac number, because 3926385 - 2⁸ = 3926129 is a prime.

It is a super-3 number, since 3×3926385³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43582 + ... + 43671.

It is an arithmetic number, because the mean of its divisors is an integer number (567151).

Almost surely, 2^3926385 is an apocalyptic number.

It is an amenable number.

3926385 is a deficient number, since it is larger than the sum of its proper divisors (2879427).

3926385 is a wasteful number, since it uses less digits than its factorization.

3926385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87264 (or 87261 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3926385 is about 1981.5107872530. The cubic root of 3926385 is about 157.7602650704.

The spelling of 3926385 in words is "three million, nine hundred twenty-six thousand, three hundred eighty-five".