2401618 has 4 divisors (see below), whose sum is σ = 3602430. Its totient is φ = 1200808.

The previous prime is 2401603. The next prime is 2401621. The reversal of 2401618 is 8161042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2350089 + 51529 = 1533^2 + 227^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600403 + ... + 600406.

2^2401618 is an apocalyptic number.

2401618 is a deficient number, since it is larger than the sum of its proper divisors (1200812).

2401618 is a wasteful number, since it uses less digits than its factorization.

2401618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200811.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2401618 is about 1549.7154577535. The cubic root of 2401618 is about 133.9166705497.

The spelling of 2401618 in words is "two million, four hundred one thousand, six hundred eighteen".