2388642 has 32 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 720720.

The previous prime is 2388641. The next prime is 2388649. The reversal of 2388642 is 2468832.

It is a super-2 number, since 2×2388642² = 11411221208328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2388641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2167 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^2388642 is an apocalyptic number.

2388642 is an abundant number, since it is smaller than the sum of its proper divisors (2864478).

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

2388642 is a wasteful number, since it uses less digits than its factorization.

2388642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its digits is 18432, while the sum is 33.

The square root of 2388642 is about 1545.5232123783. The cubic root of 2388642 is about 133.6750498643.

The spelling of 2388642 in words is "two million, three hundred eighty-eight thousand, six hundred forty-two".