2945494 has 8 divisors (see below), whose sum is σ = 4650840. Its totient is φ = 1395216.

The previous prime is 2945489. The next prime is 2945497. The reversal of 2945494 is 4945492.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945497) 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, 38719 + ... + 38794.

It is an arithmetic number, because the mean of its divisors is an integer number (581355).

2^2945494 is an apocalyptic number.

2945494 is a deficient number, since it is larger than the sum of its proper divisors (1705346).

2945494 is a wasteful number, since it uses less digits than its factorization.

2945494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77534.

The product of its digits is 51840, while the sum is 37.

The square root of 2945494 is about 1716.2441551248. The cubic root of 2945494 is about 143.3461547331.

The spelling of 2945494 in words is "two million, nine hundred forty-five thousand, four hundred ninety-four".