2388942 has 48 divisors (see below), whose sum is σ = 5655312. Its totient is φ = 725760.

The previous prime is 2388929. The next prime is 2388961. The reversal of 2388942 is 2498832.

It is a d-powerful number, because it can be written as 2 + 3¹³ + 8 + 8³ + 9⁶ + 4⁹ + 2⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2388897 and 2388906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11217 + ... + 11427.

It is an arithmetic number, because the mean of its divisors is an integer number (117819).

2^2388942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2388942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827656).

2388942 is an abundant number, since it is smaller than the sum of its proper divisors (3266370).

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

2388942 is a wasteful number, since it uses less digits than its factorization.

2388942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 270 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2388942 is about 1545.6202638423. The cubic root of 2388942 is about 133.6806459082.

It can be divided in two parts, 238 and 8942, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 2388942 in words is "two million, three hundred eighty-eight thousand, nine hundred forty-two".