3926697 has 4 divisors (see below), whose sum is σ = 5235600. Its totient is φ = 2617796.

The previous prime is 3926651. The next prime is 3926707. The reversal of 3926697 is 7966293.

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: 7966293 = 3 ⋅2655431.

It is a cyclic number.

It is not a de Polignac number, because 3926697 - 2⁶ = 3926633 is a prime.

It is a D-number.

3926697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3926297) 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, 654447 + ... + 654452.

It is an arithmetic number, because the mean of its divisors is an integer number (1308900).

Almost surely, 2^3926697 is an apocalyptic number.

It is an amenable number.

3926697 is a deficient number, since it is larger than the sum of its proper divisors (1308903).

3926697 is a wasteful number, since it uses less digits than its factorization.

3926697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308902.

The product of its digits is 122472, while the sum is 42.

The square root of 3926697 is about 1981.5895134967. The cubic root of 3926697 is about 157.7644436298.

The spelling of 3926697 in words is "three million, nine hundred twenty-six thousand, six hundred ninety-seven".