2978203 has 4 divisors (see below), whose sum is σ = 3027088. Its totient is φ = 2929320.

The previous prime is 2978197. The next prime is 2978219. The reversal of 2978203 is 3028792.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2978233) 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, 24351 + ... + 24472.

It is an arithmetic number, because the mean of its divisors is an integer number (756772).

2^2978203 is an apocalyptic number.

2978203 is a deficient number, since it is larger than the sum of its proper divisors (48885).

2978203 is an equidigital number, since it uses as much as digits as its factorization.

2978203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2978203 is about 1725.7470845984. The cubic root of 2978203 is about 143.8748108204.

The spelling of 2978203 in words is "two million, nine hundred seventy-eight thousand, two hundred three".