3030861 has 8 divisors (see below), whose sum is σ = 4253920. Its totient is φ = 1914192.

The previous prime is 3030857. The next prime is 3030869. The reversal of 3030861 is 1680303.

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

It is not a de Polignac number, because 3030861 - 2² = 3030857 is a prime.

It is a super-2 number, since 2×3030861² = 18372236802642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030869) 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, 26530 + ... + 26643.

It is an arithmetic number, because the mean of its divisors is an integer number (531740).

Almost surely, 2^3030861 is an apocalyptic number.

It is an amenable number.

3030861 is a deficient number, since it is larger than the sum of its proper divisors (1223059).

3030861 is a wasteful number, since it uses less digits than its factorization.

3030861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53195.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3030861 is about 1740.9368167742. The cubic root of 3030861 is about 144.7178182310.

The spelling of 3030861 in words is "three million, thirty thousand, eight hundred sixty-one".