4018402 has 8 divisors (see below), whose sum is σ = 6037200. Its totient is φ = 2006004.

The previous prime is 4018397. The next prime is 4018403. The reversal of 4018402 is 2048104.

4018402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4018402² = 32295109267208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4018402.

It is not an unprimeable number, because it can be changed into a prime (4018403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (754650).

Almost surely, 2^4018402 is an apocalyptic number.

4018402 is a deficient number, since it is larger than the sum of its proper divisors (2018798).

4018402 is a wasteful number, since it uses less digits than its factorization.

4018402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4018402 is about 2004.5952209860. The cubic root of 4018402 is about 158.9831608025.

The spelling of 4018402 in words is "four million, eighteen thousand, four hundred two".