2794378 has 4 divisors (see below), whose sum is σ = 4191570. Its totient is φ = 1397188.

The previous prime is 2794357. The next prime is 2794397. The reversal of 2794378 is 8734972.

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

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 700569 = 1447^2 + 837^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2794378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698593 + ... + 698596.

2^2794378 is an apocalyptic number.

2794378 is a deficient number, since it is larger than the sum of its proper divisors (1397192).

2794378 is a wasteful number, since it uses less digits than its factorization.

2794378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397191.

The product of its digits is 84672, while the sum is 40.

The square root of 2794378 is about 1671.6393151634. The cubic root of 2794378 is about 140.8515783076.

The spelling of 2794378 in words is "two million, seven hundred ninety-four thousand, three hundred seventy-eight".