4388742 has 20 divisors (see below), whose sum is σ = 9834396. Its totient is φ = 1462860.

The previous prime is 4388731. The next prime is 4388743. The reversal of 4388742 is 2478834.

4388742 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4388742² = 38522112685128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4388697 and 4388706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388743) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13384 + ... + 13707.

Almost surely, 2^4388742 is an apocalyptic number.

4388742 is an abundant number, since it is smaller than the sum of its proper divisors (5445654).

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

4388742 is a wasteful number, since it uses less digits than its factorization.

4388742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27105 (or 27096 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 4388742 is about 2094.9324571451. The cubic root of 4388742 is about 163.7243784088.

It can be divided in two parts, 438 and 8742, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 4388742 in words is "four million, three hundred eighty-eight thousand, seven hundred forty-two".