2864378 has 8 divisors (see below), whose sum is σ = 4687200. Its totient is φ = 1301980.

The previous prime is 2864371. The next prime is 2864401. The reversal of 2864378 is 8734682.

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

It is a super-2 number, since 2×2864378² = 16409322653768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2864371) 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, 65078 + ... + 65121.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

2^2864378 is an apocalyptic number.

2864378 is a deficient number, since it is larger than the sum of its proper divisors (1822822).

2864378 is a wasteful number, since it uses less digits than its factorization.

2864378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130212.

The product of its digits is 64512, while the sum is 38.

The square root of 2864378 is about 1692.4473403920. The cubic root of 2864378 is about 142.0180166256.

It can be divided in two parts, 286 and 4378, that added together give a palindrome (4664).

The spelling of 2864378 in words is "two million, eight hundred sixty-four thousand, three hundred seventy-eight".