4622378 has 12 divisors (see below), whose sum is σ = 7034118. Its totient is φ = 2278080.

The previous prime is 4622357. The next prime is 4622389. The reversal of 4622378 is 8732264.

It can be written as a sum of positive squares in 3 ways, for example, as 157609 + 4464769 = 397^2 + 2113^2 .

It is a d-powerful number, because it can be written as 4¹¹ + 6⁷ + 2³ + 2¹⁷ + 3⁵ + 7⁵ + 8 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25448 + ... + 25628.

Almost surely, 2^4622378 is an apocalyptic number.

4622378 is a deficient number, since it is larger than the sum of its proper divisors (2411740).

4622378 is a wasteful number, since it uses less digits than its factorization.

4622378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 296 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 4622378 is about 2149.9716277198. The cubic root of 4622378 is about 166.5796016371.

The spelling of 4622378 in words is "four million, six hundred twenty-two thousand, three hundred seventy-eight".