3926465 has 4 divisors (see below), whose sum is σ = 4711764. Its totient is φ = 3141168.

The previous prime is 3926441. The next prime is 3926467. The reversal of 3926465 is 5646293.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 2989441 = 968^2 + 1729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3926465 is a prime.

It is a super-3 number, since 3×3926465³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3926467) 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, 392642 + ... + 392651.

It is an arithmetic number, because the mean of its divisors is an integer number (1177941).

Almost surely, 2^3926465 is an apocalyptic number.

It is an amenable number.

3926465 is a deficient number, since it is larger than the sum of its proper divisors (785299).

3926465 is an equidigital number, since it uses as much as digits as its factorization.

3926465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785298.

The product of its digits is 38880, while the sum is 35.

The square root of 3926465 is about 1981.5309737675. The cubic root of 3926465 is about 157.7613365170.

The spelling of 3926465 in words is "three million, nine hundred twenty-six thousand, four hundred sixty-five".