3681298 has 4 divisors (see below), whose sum is σ = 5521950. Its totient is φ = 1840648.

The previous prime is 3681287. The next prime is 3681319. The reversal of 3681298 is 8921863.

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

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 1656369 = 1423^2 + 1287^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920323 + ... + 920326.

Almost surely, 2^3681298 is an apocalyptic number.

3681298 is a deficient number, since it is larger than the sum of its proper divisors (1840652).

3681298 is a wasteful number, since it uses less digits than its factorization.

3681298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840651.

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

The square root of 3681298 is about 1918.6708941348. The cubic root of 3681298 is about 154.4070023313.

The spelling of 3681298 in words is "three million, six hundred eighty-one thousand, two hundred ninety-eight".