3718998 has 24 divisors (see below), whose sum is σ = 8096088. Its totient is φ = 1233792.

The previous prime is 3718997. The next prime is 3719011. The reversal of 3718998 is 8998173.

It is a super-2 number, since 2×3718998² = 27661892248008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3718993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5190 + ... + 5862.

It is an arithmetic number, because the mean of its divisors is an integer number (337337).

Almost surely, 2^3718998 is an apocalyptic number.

3718998 is an abundant number, since it is smaller than the sum of its proper divisors (4377090).

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

3718998 is a wasteful number, since it uses less digits than its factorization.

3718998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 985 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 3718998 is about 1928.4703783050. The cubic root of 3718998 is about 154.9323048128.

The spelling of 3718998 in words is "three million, seven hundred eighteen thousand, nine hundred ninety-eight".