4018146 has 32 divisors (see below), whose sum is σ = 9151488. Its totient is φ = 1164240.

The previous prime is 4018109. The next prime is 4018151. The reversal of 4018146 is 6418104.

It is a super-2 number, since 2×4018146² = 32290994554632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (285984).

Almost surely, 2^4018146 is an apocalyptic number.

4018146 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4018146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4575744).

4018146 is an abundant number, since it is smaller than the sum of its proper divisors (5133342).

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

4018146 is a wasteful number, since it uses less digits than its factorization.

4018146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 4018146 is about 2004.5313666790. The cubic root of 4018146 is about 158.9797846219.

The spelling of 4018146 in words is "four million, eighteen thousand, one hundred forty-six".