3047021 has 8 divisors (see below), whose sum is σ = 3166464. Its totient is φ = 2928960.

The previous prime is 3046993. The next prime is 3047027. The reversal of 3047021 is 1207403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3047021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3047027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6821 + ... + 7253.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

Almost surely, 2^3047021 is an apocalyptic number.

3047021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3047021 is a deficient number, since it is larger than the sum of its proper divisors (119443).

3047021 is a wasteful number, since it uses less digits than its factorization.

3047021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 3047021 is about 1745.5718260788. The cubic root of 3047021 is about 144.9745654952.

The spelling of 3047021 in words is "three million, forty-seven thousand, twenty-one".