4030146 has 24 divisors (see below), whose sum is σ = 8787324. Its totient is φ = 1334880.

The previous prime is 4030141. The next prime is 4030153. The reversal of 4030146 is 6410304.

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 168921 = 1965^2 + 411^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4030141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2640 + ... + 3876.

Almost surely, 2^4030146 is an apocalyptic number.

4030146 is an abundant number, since it is smaller than the sum of its proper divisors (4757178).

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

4030146 is a wasteful number, since it uses less digits than its factorization.

4030146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4030146 is about 2007.5223535493. The cubic root of 4030146 is about 159.1378891655.

The spelling of 4030146 in words is "four million, thirty thousand, one hundred forty-six".