3023649 has 24 divisors (see below), whose sum is σ = 4734912. Its totient is φ = 1924560.

The previous prime is 3023633. The next prime is 3023653. The reversal of 3023649 is 9463203.

It is not a de Polignac number, because 3023649 - 2⁴ = 3023633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5319 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (197288).

Almost surely, 2^3023649 is an apocalyptic number.

It is an amenable number.

3023649 is a deficient number, since it is larger than the sum of its proper divisors (1711263).

3023649 is an equidigital number, since it uses as much as digits as its factorization.

3023649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3023649 is about 1738.8642845260. The cubic root of 3023649 is about 144.6029406609.

The spelling of 3023649 in words is "three million, twenty-three thousand, six hundred forty-nine".