2923378 has 12 divisors (see below), whose sum is σ = 4629150. Its totient is φ = 1384416.

The previous prime is 2923367. The next prime is 2923379. The reversal of 2923378 is 8733292.

It can be written as a sum of positive squares in only one way, i.e., 2732409 + 190969 = 1653^2 + 437^2 .

It is a super-2 number, since 2×2923378² = 17092277861768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2923379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1303 + ... + 2746.

2^2923378 is an apocalyptic number.

2923378 is a deficient number, since it is larger than the sum of its proper divisors (1705772).

2923378 is a wasteful number, since it uses less digits than its factorization.

2923378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089 (or 4070 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 2923378 is about 1709.7888758557. The cubic root of 2923378 is about 142.9864854296.

The spelling of 2923378 in words is "two million, nine hundred twenty-three thousand, three hundred seventy-eight".