4378994 has 8 divisors (see below), whose sum is σ = 6577500. Its totient is φ = 2186496.

The previous prime is 4378981. The next prime is 4379003. The reversal of 4378994 is 4998734.

It can be written as a sum of positive squares in 2 ways, for example, as 3853369 + 525625 = 1963^2 + 725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×4378994³ (a number of 21 digits) contains 333 as substring.

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, 1622 + ... + 3374.

Almost surely, 2^4378994 is an apocalyptic number.

4378994 is a deficient number, since it is larger than the sum of its proper divisors (2198506).

4378994 is a wasteful number, since it uses less digits than its factorization.

4378994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its digits is 217728, while the sum is 44.

The square root of 4378994 is about 2092.6045971468. The cubic root of 4378994 is about 163.6030704246.

The spelling of 4378994 in words is "four million, three hundred seventy-eight thousand, nine hundred ninety-four".