2042368 has 20 divisors (see below), whose sum is σ = 4081770. Its totient is φ = 1020928.

The previous prime is 2042357. The next prime is 2042389. The reversal of 2042368 is 8632402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1763584 + 278784 = 1328^2 + 528^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483 + ... + 2506.

2^2042368 is an apocalyptic number.

It is an amenable number.

2042368 is a deficient number, since it is larger than the sum of its proper divisors (2039402).

2042368 is an frugal number, since it uses more digits than its factorization.

2042368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2042368 is about 1429.1144110952. The cubic root of 2042368 is about 126.8755678750.

The spelling of 2042368 in words is "two million, forty-two thousand, three hundred sixty-eight".