3050905 has 32 divisors (see below), whose sum is σ = 4572288. Its totient is φ = 1920000.

The previous prime is 3050899. The next prime is 3050917. The reversal of 3050905 is 5090503.

It is not a de Polignac number, because 3050905 - 2⁷ = 3050777 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12030 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (142884).

Almost surely, 2^3050905 is an apocalyptic number.

3050905 is the 1105-th heptagonal number.

It is an amenable number.

3050905 is a deficient number, since it is larger than the sum of its proper divisors (1521383).

3050905 is a wasteful number, since it uses less digits than its factorization.

3050905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 3050905 is about 1746.6840011862. The cubic root of 3050905 is about 145.0361384360.

The spelling of 3050905 in words is "three million, fifty thousand, nine hundred five".