4074138 has 48 divisors (see below), whose sum is σ = 9356256. Its totient is φ = 1328400.

The previous prime is 4074137. The next prime is 4074143. The reversal of 4074138 is 8314704.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4074137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40288 + ... + 40388.

It is an arithmetic number, because the mean of its divisors is an integer number (194922).

Almost surely, 2^4074138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4074138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4678128).

4074138 is an abundant number, since it is smaller than the sum of its proper divisors (5282118).

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

4074138 is a wasteful number, since it uses less digits than its factorization.

4074138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4074138 is about 2018.4494048650. The cubic root of 4074138 is about 159.7148305837.

The spelling of 4074138 in words is "four million, seventy-four thousand, one hundred thirty-eight".