6249658 has 4 divisors (see below), whose sum is σ = 9374490. Its totient is φ = 3124828.

The previous prime is 6249653. The next prime is 6249667. The reversal of 6249658 is 8569426.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8569426 = 2 ⋅4284713.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 2778889 = 1863^2 + 1667^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6249658.

It is not an unprimeable number, because it can be changed into a prime (6249653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562413 + ... + 1562416.

Almost surely, 2^6249658 is an apocalyptic number.

6249658 is a deficient number, since it is larger than the sum of its proper divisors (3124832).

6249658 is a wasteful number, since it uses less digits than its factorization.

6249658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124831.

The product of its digits is 103680, while the sum is 40.

The square root of 6249658 is about 2499.9315990643. The cubic root of 6249658 is about 184.1982150340.

The spelling of 6249658 in words is "six million, two hundred forty-nine thousand, six hundred fifty-eight".