2978195 has 16 divisors (see below), whose sum is σ = 3933792. Its totient is φ = 2146560.

The previous prime is 2978189. The next prime is 2978197. The reversal of 2978195 is 5918792.

It is not a de Polignac number, because 2978195 - 2⁸ = 2977939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2978197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9359 + ... + 9671.

It is an arithmetic number, because the mean of its divisors is an integer number (245862).

2^2978195 is an apocalyptic number.

2978195 is a deficient number, since it is larger than the sum of its proper divisors (955597).

2978195 is a wasteful number, since it uses less digits than its factorization.

2978195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its digits is 45360, while the sum is 41.

The square root of 2978195 is about 1725.7447667601. The cubic root of 2978195 is about 143.8746819956.

The spelling of 2978195 in words is "two million, nine hundred seventy-eight thousand, one hundred ninety-five".