4378954 has 4 divisors (see below), whose sum is σ = 6568434. Its totient is φ = 2189476.

The previous prime is 4378951. The next prime is 4378963. The reversal of 4378954 is 4598734.

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., 4313929 + 65025 = 2077^2 + 255^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁴ + 3¹¹ + 7² + 8³ + 9⁴ + 5³ + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (4378951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094737 + ... + 1094740.

Almost surely, 2^4378954 is an apocalyptic number.

4378954 is a deficient number, since it is larger than the sum of its proper divisors (2189480).

4378954 is a wasteful number, since it uses less digits than its factorization.

4378954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189479.

The product of its digits is 120960, while the sum is 40.

The square root of 4378954 is about 2092.5950396577. The cubic root of 4378954 is about 163.6025722780.

The spelling of 4378954 in words is "four million, three hundred seventy-eight thousand, nine hundred fifty-four".