3311998 has 4 divisors (see below), whose sum is σ = 4968000. Its totient is φ = 1655998.

The previous prime is 3311983. The next prime is 3311999. The reversal of 3311998 is 8991133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8991133 = 367 ⋅24499.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827998 + ... + 828001.

It is an arithmetic number, because the mean of its divisors is an integer number (1242000).

Almost surely, 2^3311998 is an apocalyptic number.

3311998 is a deficient number, since it is larger than the sum of its proper divisors (1656002).

3311998 is a wasteful number, since it uses less digits than its factorization.

3311998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656001.

The product of its digits is 5832, while the sum is 34.

The square root of 3311998 is about 1819.8895570886. The cubic root of 3311998 is about 149.0607682702.

The spelling of 3311998 in words is "three million, three hundred eleven thousand, nine hundred ninety-eight".