2828378 has 40 divisors (see below), whose sum is σ = 5377920. Its totient is φ = 1111320.

The previous prime is 2828363. The next prime is 2828383. The reversal of 2828378 is 8738282.

It is a super-2 number, since 2×2828378² = 15999444221768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91223 + ... + 91253.

It is an arithmetic number, because the mean of its divisors is an integer number (134448).

2^2828378 is an apocalyptic number.

2828378 is a deficient number, since it is larger than the sum of its proper divisors (2549542).

2828378 is an equidigital number, since it uses as much as digits as its factorization.

2828378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 59 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 2828378 is about 1681.7782255696. The cubic root of 2828378 is about 141.4205374868.

The spelling of 2828378 in words is "two million, eight hundred twenty-eight thousand, three hundred seventy-eight".