3669998 has 4 divisors (see below), whose sum is σ = 5505000. Its totient is φ = 1834998.

The previous prime is 3669961. The next prime is 3670001. The reversal of 3669998 is 8999663.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 917498 + ... + 917501.

It is an arithmetic number, because the mean of its divisors is an integer number (1376250).

Almost surely, 2^3669998 is an apocalyptic number.

3669998 is a deficient number, since it is larger than the sum of its proper divisors (1835002).

3669998 is a wasteful number, since it uses less digits than its factorization.

3669998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835001.

The product of its digits is 629856, while the sum is 50.

The square root of 3669998 is about 1915.7238840710. The cubic root of 3669998 is about 154.2488527295.

The spelling of 3669998 in words is "three million, six hundred sixty-nine thousand, nine hundred ninety-eight".