4071618 has 12 divisors (see below), whose sum is σ = 8821878. Its totient is φ = 1357200.

The previous prime is 4071601. The next prime is 4071647. The reversal of 4071618 is 8161704.

It is a happy number.

4071618 is a `hidden beast` number, since 40 + 7 + 1 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 1830609 = 1497^2 + 1353^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4071591 and 4071600.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113083 + ... + 113118.

Almost surely, 2^4071618 is an apocalyptic number.

4071618 is an abundant number, since it is smaller than the sum of its proper divisors (4750260).

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

4071618 is a wasteful number, since it uses less digits than its factorization.

4071618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226209 (or 226206 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 4071618 is about 2017.8250667488. The cubic root of 4071618 is about 159.6818940144.

It can be divided in two parts, 407 and 1618, that added together give a square (2025 = 45²).

The spelling of 4071618 in words is "four million, seventy-one thousand, six hundred eighteen".