4419378 has 12 divisors (see below), whose sum is σ = 9575358. Its totient is φ = 1473120.

The previous prime is 4419377. The next prime is 4419379. The reversal of 4419378 is 8739144.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4419377) and next prime (4419379).

It can be written as a sum of positive squares in only one way, i.e., 2913849 + 1505529 = 1707^2 + 1227^2 .

It is an Ulam number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4419377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122743 + ... + 122778.

Almost surely, 2^4419378 is an apocalyptic number.

4419378 is an abundant number, since it is smaller than the sum of its proper divisors (5155980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4419378 is a wasteful number, since it uses less digits than its factorization.

4419378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245529 (or 245526 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4419378 is about 2102.2316713436. The cubic root of 4419378 is about 164.1044595263.

The spelling of 4419378 in words is "four million, four hundred nineteen thousand, three hundred seventy-eight".