2378394 has 24 divisors (see below), whose sum is σ = 5184660. Its totient is φ = 787968.

The previous prime is 2378371. The next prime is 2378399. The reversal of 2378394 is 4938732.

It can be written as a sum of positive squares in 2 ways, for example, as 1595169 + 783225 = 1263^2 + 885^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 3⁴ + 7⁵ + 8⁷ + 3⁴ + 9² + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (2378399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3834 + ... + 4410.

2^2378394 is an apocalyptic number.

2378394 is an abundant number, since it is smaller than the sum of its proper divisors (2806266).

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

2378394 is a wasteful number, since it uses less digits than its factorization.

2378394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 811 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2378394 is about 1542.2042666262. The cubic root of 2378394 is about 133.4836069590.

It can be divided in two parts, 2378 and 394, that added together give a palindrome (2772).

The spelling of 2378394 in words is "two million, three hundred seventy-eight thousand, three hundred ninety-four".