3055945 has 4 divisors (see below), whose sum is σ = 3667140. Its totient is φ = 2444752.

The previous prime is 3055931. The next prime is 3055951. The reversal of 3055945 is 5495503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 1990921 = 1032^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 3055945 - 2¹⁵ = 3023177 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305590 + ... + 305599.

It is an arithmetic number, because the mean of its divisors is an integer number (916785).

Almost surely, 2^3055945 is an apocalyptic number.

It is an amenable number.

3055945 is a deficient number, since it is larger than the sum of its proper divisors (611195).

3055945 is an equidigital number, since it uses as much as digits as its factorization.

3055945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611194.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 3055945 is about 1748.1261396135. The cubic root of 3055945 is about 145.1159595586.

The spelling of 3055945 in words is "three million, fifty-five thousand, nine hundred forty-five".