3391723 has 4 divisors (see below), whose sum is σ = 3395520. Its totient is φ = 3387928.

The previous prime is 3391697. The next prime is 3391769. The reversal of 3391723 is 3271933.

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 is a cyclic number.

It is not a de Polignac number, because 3391723 - 2¹³ = 3383531 is a prime.

It is a Duffinian number.

3391723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3391691 and 3391700.

It is not an unprimeable number, because it can be changed into a prime (3391123) 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, 261 + ... + 2617.

It is an arithmetic number, because the mean of its divisors is an integer number (848880).

Almost surely, 2^3391723 is an apocalyptic number.

3391723 is a deficient number, since it is larger than the sum of its proper divisors (3797).

3391723 is a wasteful number, since it uses less digits than its factorization.

3391723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796.

The product of its digits is 3402, while the sum is 28.

The square root of 3391723 is about 1841.6631070855. The cubic root of 3391723 is about 150.2473400766.

It can be divided in two parts, 3391 and 723, that added together give a palindrome (4114).

The spelling of 3391723 in words is "three million, three hundred ninety-one thousand, seven hundred twenty-three".