4002388 has 24 divisors (see below), whose sum is σ = 7941920. Its totient is φ = 1749600.

The previous prime is 4002353. The next prime is 4002389. The reversal of 4002388 is 8832004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002389) 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, 1038 + ... + 3013.

Almost surely, 2^4002388 is an apocalyptic number.

It is an amenable number.

4002388 is a deficient number, since it is larger than the sum of its proper divisors (3939532).

4002388 is a wasteful number, since it uses less digits than its factorization.

4002388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087 (or 4085 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 4002388 is about 2000.5969109243. The cubic root of 4002388 is about 158.7716881936.

The spelling of 4002388 in words is "four million, two thousand, three hundred eighty-eight".