3618998 has 8 divisors (see below), whose sum is σ = 5439720. Its totient is φ = 1805760.

The previous prime is 3618991. The next prime is 3619013. The reversal of 3618998 is 8998163.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618991) 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 3 ways as a sum of consecutive naturals, for example, 443 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (679965).

Almost surely, 2^3618998 is an apocalyptic number.

3618998 is a deficient number, since it is larger than the sum of its proper divisors (1820722).

3618998 is a wasteful number, since it uses less digits than its factorization.

3618998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742.

The product of its digits is 93312, while the sum is 44.

The square root of 3618998 is about 1902.3664210661. The cubic root of 3618998 is about 153.5310126306.

The spelling of 3618998 in words is "three million, six hundred eighteen thousand, nine hundred ninety-eight".