2946457 has 8 divisors (see below), whose sum is σ = 3220992. Its totient is φ = 2683200.

The previous prime is 2946451. The next prime is 2946467. The reversal of 2946457 is 7546492.

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 2946457 - 2¹⁹ = 2422169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2946451) 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 7 ways as a sum of consecutive naturals, for example, 2269 + ... + 3322.

It is an arithmetic number, because the mean of its divisors is an integer number (402624).

2^2946457 is an apocalyptic number.

It is an amenable number.

2946457 is a deficient number, since it is larger than the sum of its proper divisors (274535).

2946457 is a wasteful number, since it uses less digits than its factorization.

2946457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5639.

The product of its digits is 60480, while the sum is 37.

The square root of 2946457 is about 1716.5246866853. The cubic root of 2946457 is about 143.3617748980.

It can be divided in two parts, 2946 and 457, that added together give a triangular number (3403 = T₈₂).

The spelling of 2946457 in words is "two million, nine hundred forty-six thousand, four hundred fifty-seven".