3639198 has 16 divisors (see below), whose sum is σ = 7595136. Its totient is φ = 1160280.

The previous prime is 3639197. The next prime is 3639211. The reversal of 3639198 is 8919363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13048 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (474696).

Almost surely, 2^3639198 is an apocalyptic number.

3639198 is an abundant number, since it is smaller than the sum of its proper divisors (3955938).

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

3639198 is a wasteful number, since it uses less digits than its factorization.

3639198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26399.

The product of its digits is 34992, while the sum is 39.

The square root of 3639198 is about 1907.6682101456. The cubic root of 3639198 is about 153.8161352072.

The spelling of 3639198 in words is "three million, six hundred thirty-nine thousand, one hundred ninety-eight".