2378728 has 16 divisors (see below), whose sum is σ = 4865760.
Its totient is φ = 1081200.
The previous prime is 2378711. The next prime is 2378737. The reversal of 2378728 is 8278732.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13428 + ... + 13603.
It is an arithmetic number, because the mean of its divisors is an integer number (304110).
22378728 is an apocalyptic number.
It is an amenable number.
2378728 is an abundant number, since it is smaller than the sum of its proper divisors (2487032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2378728 is a wasteful number, since it uses less digits than its factorization.
2378728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27048 (or 27044 counting only the distinct ones).
The product of its digits is 37632, while the sum is 37.
The square root of 2378728 is about 1542.3125493881.
The cubic root of 2378728 is about 133.4898550741.
The spelling of 2378728 in words is "two million, three hundred seventy-eight thousand, seven hundred twenty-eight".