3621898 has 8 divisors (see below), whose sum is σ = 6208992. Its totient is φ = 1552236.

The previous prime is 3621889. The next prime is 3621907. The reversal of 3621898 is 8981263.

It is an interprime number because it is at equal distance from previous prime (3621889) and next prime (3621907).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129340 + ... + 129367.

It is an arithmetic number, because the mean of its divisors is an integer number (776124).

Almost surely, 2^3621898 is an apocalyptic number.

3621898 is a deficient number, since it is larger than the sum of its proper divisors (2587094).

3621898 is a wasteful number, since it uses less digits than its factorization.

3621898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258716.

The product of its digits is 20736, while the sum is 37.

The square root of 3621898 is about 1903.1284770083. The cubic root of 3621898 is about 153.5720111853.

The spelling of 3621898 in words is "three million, six hundred twenty-one thousand, eight hundred ninety-eight".