2945394 has 12 divisors (see below), whose sum is σ = 6381726. Its totient is φ = 981792.

The previous prime is 2945381. The next prime is 2945401. The reversal of 2945394 is 4935492.

It can be written as a sum of positive squares in only one way, i.e., 2934369 + 11025 = 1713^2 + 105^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81799 + ... + 81834.

2^2945394 is an apocalyptic number.

2945394 is an abundant number, since it is smaller than the sum of its proper divisors (3436332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945394 is a wasteful number, since it uses less digits than its factorization.

2945394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163641 (or 163638 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2945394 is about 1716.2150214935. The cubic root of 2945394 is about 143.3445325064.

The spelling of 2945394 in words is "two million, nine hundred forty-five thousand, three hundred ninety-four".