3290923 has 4 divisors (see below), whose sum is σ = 3294688. Its totient is φ = 3287160.

The previous prime is 3290887. The next prime is 3290927.

It is a happy number.

3290923 is nontrivially palindromic in base 10.

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 3290923 - 2⁹ = 3290411 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3290923 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3290891 and 3290900.

It is not an unprimeable number, because it can be changed into a prime (3290927) 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, 190 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (823672).

Almost surely, 2^3290923 is an apocalyptic number.

3290923 is a deficient number, since it is larger than the sum of its proper divisors (3765).

3290923 is a wasteful number, since it uses less digits than its factorization.

3290923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3290923 is about 1814.0901300652. The cubic root of 3290923 is about 148.7439260284.

Subtracting from 3290923 its sum of digits (28), we obtain a triangular number (3290895 = T₂₅₆₅).

The spelling of 3290923 in words is "three million, two hundred ninety thousand, nine hundred twenty-three".