3057945 has 32 divisors (see below), whose sum is σ = 5474304. Its totient is φ = 1444800.

The previous prime is 3057931. The next prime is 3057949. The reversal of 3057945 is 5497503.

3057945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3057945 - 2⁵ = 3057913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

3057945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3057949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6880 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (171072).

Almost surely, 2^3057945 is an apocalyptic number.

It is an amenable number.

3057945 is a deficient number, since it is larger than the sum of its proper divisors (2416359).

3057945 is a wasteful number, since it uses less digits than its factorization.

3057945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3057945 is about 1748.6980871494. The cubic root of 3057945 is about 145.1476102839.

3057945 divided by its sum of digits (33) gives a triangular number (92665 = T₄₃₀).

It can be divided in two parts, 30 and 57945, that added together give a palindrome (57975).

The spelling of 3057945 in words is "three million, fifty-seven thousand, nine hundred forty-five".