2946261 has 4 divisors (see below), whose sum is σ = 3928352. Its totient is φ = 1964172.

The previous prime is 2946259. The next prime is 2946263. The reversal of 2946261 is 1626492.

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.

It is an interprime number because it is at equal distance from previous prime (2946259) and next prime (2946263).

It is not a de Polignac number, because 2946261 - 2¹ = 2946259 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2946263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491041 + ... + 491046.

It is an arithmetic number, because the mean of its divisors is an integer number (982088).

2^2946261 is an apocalyptic number.

It is an amenable number.

2946261 is a deficient number, since it is larger than the sum of its proper divisors (982091).

2946261 is an equidigital number, since it uses as much as digits as its factorization.

2946261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982090.

The product of its digits is 5184, while the sum is 30.

The square root of 2946261 is about 1716.4675936353. The cubic root of 2946261 is about 143.3585959919.

It can be divided in two parts, 294 and 6261, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 2946261 in words is "two million, nine hundred forty-six thousand, two hundred sixty-one".