3619898 has 4 divisors (see below), whose sum is σ = 5429850. Its totient is φ = 1809948.

The previous prime is 3619883. The next prime is 3619907. The reversal of 3619898 is 8989163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8989163 = 31 ⋅289973.

It can be written as a sum of positive squares in only one way, i.e., 3286969 + 332929 = 1813^2 + 577^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904973 + ... + 904976.

Almost surely, 2^3619898 is an apocalyptic number.

3619898 is a deficient number, since it is larger than the sum of its proper divisors (1809952).

3619898 is a wasteful number, since it uses less digits than its factorization.

3619898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809951.

The product of its digits is 93312, while the sum is 44.

The square root of 3619898 is about 1902.6029538503. The cubic root of 3619898 is about 153.5437386631.

The spelling of 3619898 in words is "three million, six hundred nineteen thousand, eight hundred ninety-eight".