2830378 has 8 divisors (see below), whose sum is σ = 4293540. Its totient is φ = 1399200.

The previous prime is 2830367. The next prime is 2830379. The reversal of 2830378 is 8730382.

It can be written as a sum of positive squares in 2 ways, for example, as 2732409 + 97969 = 1653^2 + 313^2 .

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

It is a super-2 number, since 2×2830378² = 16022079245768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2830379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7773 + ... + 8128.

2^2830378 is an apocalyptic number.

2830378 is a deficient number, since it is larger than the sum of its proper divisors (1463162).

2830378 is a wasteful number, since it uses less digits than its factorization.

2830378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15992.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2830378 is about 1682.3727292131. The cubic root of 2830378 is about 141.4538633522.

The spelling of 2830378 in words is "two million, eight hundred thirty thousand, three hundred seventy-eight".