2378648 has 16 divisors (see below), whose sum is σ = 4695000. Its totient is φ = 1126656.

The previous prime is 2378641. The next prime is 2378653. The reversal of 2378648 is 8468732.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a d-powerful number, because it can be written as 2²¹ + 3² + 7 + 8 + 6⁷ + 4⁵ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7673 + ... + 7976.

2^2378648 is an apocalyptic number.

It is an amenable number.

2378648 is a deficient number, since it is larger than the sum of its proper divisors (2316352).

2378648 is a wasteful number, since it uses less digits than its factorization.

2378648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15674 (or 15670 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 2378648 is about 1542.2866140896. The cubic root of 2378648 is about 133.4883585728.

The spelling of 2378648 in words is "two million, three hundred seventy-eight thousand, six hundred forty-eight".