3898658 has 8 divisors (see below), whose sum is σ = 5868828. Its totient is φ = 1942384.

The previous prime is 3898651. The next prime is 3898717. The reversal of 3898658 is 8568983.

It can be written as a sum of positive squares in 2 ways, for example, as 3892729 + 5929 = 1973^2 + 77^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3898651) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2741 + ... + 3912.

Almost surely, 2^3898658 is an apocalyptic number.

3898658 is a deficient number, since it is larger than the sum of its proper divisors (1970170).

3898658 is a wasteful number, since it uses less digits than its factorization.

3898658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948.

The product of its digits is 414720, while the sum is 47.

The square root of 3898658 is about 1974.5019625212. The cubic root of 3898658 is about 157.3880349786.

The spelling of 3898658 in words is "three million, eight hundred ninety-eight thousand, six hundred fifty-eight".