4202388 has 48 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 1386432.

The previous prime is 4202381. The next prime is 4202389. The reversal of 4202388 is 8832024.

4202388 is a `hidden beast` number, since 420 + 238 + 8 = 666.

It is a super-3 number, since 3×4202388³ (a number of 21 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (4202381) 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, 17920 + ... + 18152.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

Almost surely, 2^4202388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4202388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503680).

4202388 is an abundant number, since it is smaller than the sum of its proper divisors (6804972).

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

4202388 is a wasteful number, since it uses less digits than its factorization.

4202388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 405 counting only the distinct ones).

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

The square root of 4202388 is about 2049.9726827448. The cubic root of 4202388 is about 161.3734371233.

The spelling of 4202388 in words is "four million, two hundred two thousand, three hundred eighty-eight".