3926261 has 4 divisors (see below), whose sum is σ = 4096992. Its totient is φ = 3755532.

The previous prime is 3926249. The next prime is 3926291. The reversal of 3926261 is 1626293.

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 an emirpimes, since its reverse is a distinct semiprime: 1626293 = 107 ⋅15199.

It is not a de Polignac number, because 3926261 - 2¹⁸ = 3664117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3926231) 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, 85331 + ... + 85376.

It is an arithmetic number, because the mean of its divisors is an integer number (1024248).

Almost surely, 2^3926261 is an apocalyptic number.

It is an amenable number.

3926261 is a deficient number, since it is larger than the sum of its proper divisors (170731).

3926261 is a wasteful number, since it uses less digits than its factorization.

3926261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170730.

The product of its digits is 3888, while the sum is 29.

The square root of 3926261 is about 1981.4794977491. The cubic root of 3926261 is about 157.7586042994.

Subtracting from 3926261 its reverse (1626293), we obtain a cube (2299968 = 132³).

The spelling of 3926261 in words is "three million, nine hundred twenty-six thousand, two hundred sixty-one".