2042388 has 24 divisors (see below), whose sum is σ = 5295360. Its totient is φ = 680760.

The previous prime is 2042357. The next prime is 2042389. The reversal of 2042388 is 8832402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9348 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (220640).

2^2042388 is an apocalyptic number.

It is an amenable number.

2042388 is an abundant number, since it is smaller than the sum of its proper divisors (3252972).

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

2042388 is a wasteful number, since it uses less digits than its factorization.

2042388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18924 (or 18916 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2042388 is about 1429.1214084185. The cubic root of 2042388 is about 126.8759820190.

The spelling of 2042388 in words is "two million, forty-two thousand, three hundred eighty-eight".