3075981 has 4 divisors (see below), whose sum is σ = 4101312. Its totient is φ = 2050652.

The previous prime is 3075979. The next prime is 3076013. The reversal of 3075981 is 1895703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1895703 = 3 ⋅631901.

It is a cyclic number.

It is not a de Polignac number, because 3075981 - 2¹ = 3075979 is a prime.

It is a super-2 number, since 2×3075981² = 18923318224722, which contains 22 as substring.

It is a D-number.

3075981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3075901) 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, 512661 + ... + 512666.

It is an arithmetic number, because the mean of its divisors is an integer number (1025328).

Almost surely, 2^3075981 is an apocalyptic number.

It is an amenable number.

3075981 is a deficient number, since it is larger than the sum of its proper divisors (1025331).

3075981 is a wasteful number, since it uses less digits than its factorization.

3075981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025330.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 3075981 is about 1753.8474848173. The cubic root of 3075981 is about 145.4324150872.

The spelling of 3075981 in words is "three million, seventy-five thousand, nine hundred eighty-one".