4402378 has 4 divisors (see below), whose sum is σ = 6603570. Its totient is φ = 2201188.

The previous prime is 4402373. The next prime is 4402379. The reversal of 4402378 is 8732044.

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., 4149369 + 253009 = 2037^2 + 503^2 .

It is not an unprimeable number, because it can be changed into a prime (4402373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100593 + ... + 1100596.

Almost surely, 2^4402378 is an apocalyptic number.

4402378 is a deficient number, since it is larger than the sum of its proper divisors (2201192).

4402378 is a wasteful number, since it uses less digits than its factorization.

4402378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201191.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4402378 is about 2098.1844532834. The cubic root of 4402378 is about 163.8937691972.

The spelling of 4402378 in words is "four million, four hundred two thousand, three hundred seventy-eight".