3926969 has 4 divisors (see below), whose sum is σ = 3931620. Its totient is φ = 3922320.

The previous prime is 3926963. The next prime is 3927013. The reversal of 3926969 is 9696293.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 3286969 = 800^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 3926969 - 2¹⁶ = 3861433 is a prime.

It is a super-2 number, since 2×3926969² = 30842171053922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3926963) 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, 662 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (982905).

Almost surely, 2^3926969 is an apocalyptic number.

It is an amenable number.

3926969 is a deficient number, since it is larger than the sum of its proper divisors (4651).

3926969 is a wasteful number, since it uses less digits than its factorization.

3926969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650.

The product of its digits is 157464, while the sum is 44.

The square root of 3926969 is about 1981.6581440804. The cubic root of 3926969 is about 157.7680862959.

The spelling of 3926969 in words is "three million, nine hundred twenty-six thousand, nine hundred sixty-nine".