2945198 has 4 divisors (see below), whose sum is σ = 4417800. Its totient is φ = 1472598.

The previous prime is 2945191. The next prime is 2945203. The reversal of 2945198 is 8915492.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736298 + ... + 736301.

It is an arithmetic number, because the mean of its divisors is an integer number (1104450).

2^2945198 is an apocalyptic number.

2945198 is a deficient number, since it is larger than the sum of its proper divisors (1472602).

2945198 is a wasteful number, since it uses less digits than its factorization.

2945198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472601.

The product of its digits is 25920, while the sum is 38.

The square root of 2945198 is about 1716.1579181416. The cubic root of 2945198 is about 143.3413528354.

The spelling of 2945198 in words is "two million, nine hundred forty-five thousand, one hundred ninety-eight".