4013650 has 12 divisors (see below), whose sum is σ = 7465482. Its totient is φ = 1605440.

The previous prime is 4013641. The next prime is 4013651. The reversal of 4013650 is 563104.

It can be written as a sum of positive squares in 3 ways, for example, as 2556801 + 1456849 = 1599^2 + 1207^2 .

It is a super-2 number, since 2×4013650² = 32218772645000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40087 + ... + 40186.

Almost surely, 2^4013650 is an apocalyptic number.

4013650 is a deficient number, since it is larger than the sum of its proper divisors (3451832).

4013650 is a wasteful number, since it uses less digits than its factorization.

4013650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80285 (or 80280 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 4013650 is about 2003.4095936678. The cubic root of 4013650 is about 158.9204670602.

Adding to 4013650 its reverse (563104), we get a palindrome (4576754).

It can be divided in two parts, 40136 and 50, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 4013650 in words is "four million, thirteen thousand, six hundred fifty".