2953945 has 8 divisors (see below), whose sum is σ = 3593736. Its totient is φ = 2330496.

The previous prime is 2953931. The next prime is 2953957. The reversal of 2953945 is 5493592.

2953945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 300304 + 2653641 = 548^2 + 1629^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2953945 - 2⁷ = 2953817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3682 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (449217).

2^2953945 is an apocalyptic number.

It is an amenable number.

2953945 is a deficient number, since it is larger than the sum of its proper divisors (639791).

2953945 is an equidigital number, since it uses as much as digits as its factorization.

2953945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171.

The product of its digits is 48600, while the sum is 37.

The square root of 2953945 is about 1718.7044539420. The cubic root of 2953945 is about 143.4831166627.

It can be divided in two parts, 29539 and 45, that added together give a square (29584 = 172²).

The spelling of 2953945 in words is "two million, nine hundred fifty-three thousand, nine hundred forty-five".